Sub Inspector (Service Quota) – 2019 Punjab Police Department

This question tests your understanding of arithmetic mean. To solve, use the formula: (5 + 6 + 7 + X)/4 = 10. Solving this gives X = 32. Questions like these are common in aptitude tests and assess your basic mathematical reasoning for real-life scenarios like data analysis.

Convert speed from km/h to m/s by multiplying by (1000/3600), so 60 km/h = 16.67 m/s. Multiply this speed by time (9 seconds) to get the train’s length: 16.67 × 9 ≈ 150 meters. This is a classic speed-distance-time question in competitive exams.

Same as previous question — converting 60 km/h to m/s gives 16.67 m/s, and 16.67 × 9 = approximately 150 meters. This reinforces the method of solving speed-time-distance problems.

The arithmetic mean of two numbers is calculated by (4 + 6)/2 = 5. Knowing how to compute average values is useful in many areas, including statistics, data analysis, and basic arithmetic reasoning.

To find X, use the formula: (X/100) × 60 = 48. Solving gives X = 80. Percentage problems are fundamental in financial calculations, exams, and data interpretation tasks.

The first Barani (Rain-fed) University, officially known as PMAS-Arid Agriculture University, was established in Rawalpindi. It focuses on agriculture in arid and semi-arid regions and plays a vital role in Pakistan’s agri-research sector.

“Devoid” is a vocabulary word that means “completely lacking” or “absent.” Understanding such words enhances reading comprehension and is frequently tested in English language exams.

The Hansi tribe is historically associated with the Punjab region of Pakistan. Knowing the tribal demographics and ethnic groups is useful for culture-based questions in competitive exams and interviews.

First divide 840 by 14, which gives 60. Then add 40, so 60 + 40 = 100. Quick calculation skills are important for numerical reasoning and save time in exam settings.

Google’s global headquarters, known as the Googleplex, is located in Mountain View, California. This general knowledge fact is often asked in tech, current affairs, and computer science-related MCQs.

In computing, the number of data lines in a bus indicates how many bits it can transmit simultaneously. A 32-line data bus can transfer 32 bits at once, allowing faster processing and communication within the system. This concept is essential in understanding CPU and memory interaction for exam preparation.

CTRL+Z is the standard keyboard shortcut used to undo or reverse the last action in most software applications. This shortcut is helpful in tasks such as document editing or data entry and is commonly tested in computer basics or IT-related exams.

Tetanus is a serious bacterial infection caused by *Clostridium tetani*. It affects the nervous system, leading to muscle stiffness and spasms. Unlike viral diseases like malaria or rabies, tetanus requires bacterial-specific treatment and is preventable through vaccination.

Liquefied Petroleum Gas (LPG), commonly used for cooking, is primarily a mixture of butane and propane. These gases are highly flammable and are stored in liquid form under pressure. Understanding the composition of cooking gas is useful for both daily life and science-related exams.

The United Nations High Commissioner for Refugees (UNHCR) is headquartered in Geneva, Switzerland. It is responsible for protecting and assisting refugees globally. This is an important topic in international relations and current affairs exams.

ASEAN was established in 1967 to promote economic growth, political stability, and regional cooperation among Southeast Asian countries. Knowing the year of its founding helps in understanding geopolitical organizations and is often asked in general knowledge exams.

Julian Assange, the founder of WikiLeaks, hails from Australia. He gained international attention for publishing classified documents, making this question relevant for exams focused on global affairs, journalism, and internet security.

To convert meters per second to kilometers per hour, multiply by 3.6. So, 14 m/s × 3.6 = 50.4 km/h. However, the closest correct option provided is 55.5 km/h, which is a likely miscalculation in the question, but by calculation, the **correct value** should be 50.4 km/h. Kindly verify options.

Let the number be x. Then x - 36 = 86 - x. Solving: 2x = 122 → x = 61. Such algebraic problems test logical thinking and equation-solving skills, making them essential for math aptitude exams.

Khurshid Mahmud Kasuri, a former Foreign Minister of Pakistan, authored the book “Neither a Hawk nor a Dove,” which covers Pakistan’s foreign policy. This question is vital for Pakistan Studies and Current Affairs exams related to diplomacy and political history.

Masjid-e-Hanif is situated in Mina, a sacred place near Makkah where pilgrims stay during Hajj. This mosque holds historical and spiritual significance, especially during the Days of Tashreeq. Knowing its location is important for Islamic Studies and Hajj-related questions in exams.

This question is based on the concept of relative speed in streams. If 4 km downstream equals time of 3 km upstream, then ratio of speed downstream to upstream is 4:3. Using this and total time of 14 hours, you can calculate that the stream's velocity is 2 km/h. This is a common type of question in aptitude tests.

This is an analogy question where opposite directions are compared. Just like Left is opposite to Right, East is opposite to West. This type of logical reasoning question helps assess spatial understanding and directional awareness.

The principal square root of a number is its positive square root. √0.16 = 0.4. Remember that square root questions often appear in both basic and advanced level math tests. Understanding decimals and square roots is essential for competitive exams.

According to Islamic belief based on the Holy Quran, Allah created the Earth and the heavens in six days. This concept is essential in Islamic Studies and often appears in religious knowledge assessments.

Vindictive refers to someone who seeks revenge. Its opposite is forgiving, which describes someone who lets go of resentment. This vocabulary question helps in building strong English language skills, especially for competitive and academic exams.

In Microsoft Excel, a collection of related worksheets is called a workbook. Understanding this structure is essential for computer literacy and for performing multi-sheet operations in Excel.

This question seems misphrased in the options. The correct interpretation would be that Hazrat Usman Ghani (R.A) resided in Madina during his caliphate. It's important to know where key caliphs governed to understand Islamic history and leadership better.

Makli is one of the largest necropolises in the world and is located in Thatta, Sindh. It is a UNESCO World Heritage site known for its historical significance and architecture. It is often asked about in Pakistan Studies and General Knowledge exams.

“Add or Remove Programs” is a utility program in Windows OS used to manage installed software. It helps users uninstall or modify existing applications. Understanding utility programs is key in basic computer knowledge sections of various tests.

This question is about calculating a new average after a performance improvement. The batsman's run in the 17th inning increases his average by 3. Use the average formula and back-calculate using the total runs before the 17th inning. This is a frequently tested type of question in quantitative aptitude exams.

When dividing a decimal number by 10, simply move the decimal point one place to the left. Therefore, 0.7 ÷ 10 becomes 0.07. This basic decimal operation is essential for handling questions related to place values and division in exams.

Confidence Building Measures (CBMs) are steps taken between countries to reduce tensions and foster trust. These often include diplomatic talks, military transparency, or trade agreements. CBMs are crucial in international relations and peacebuilding discussions.

To select a column from bottom to top in MS Word tables, you use the shortcut SHIFT + ALT + PAGE UP. Keyboard shortcuts are a common topic in computer science-related exams and improve editing efficiency in document processing tasks.

The correct article is "the" because it refers to dogs in general as a specific group. Understanding how and when to use articles properly is essential for sentence clarity and is commonly tested in English grammar sections of competitive exams.

Siraj Raisani was a prominent politician from Balochistan and affiliated with the Balochistan Awami Party (BAP). He was known for his efforts toward provincial unity and development. Questions about political figures often appear in current affairs sections.

The standard height of a badminton net at the center is 5 feet. This is part of the official rules and is vital for fair play. Questions about sports measurements frequently appear in general knowledge or sports sections of exams.

A virtual printer mimics a physical printer but instead outputs to digital formats like PDF. It is useful for saving documents without printing them on paper. This is a common concept in computer applications and tech-related MCQs.

Oranges are widely recognized as a rich source of Vitamin C, which boosts immunity and promotes skin health. Understanding vitamin sources is important in health science and is a common topic in everyday science exams.

Pneumonia is a lung infection caused by bacteria, viruses, or fungi. It inflames the air sacs and can cause breathing difficulty. This is a critical topic in health and general science and is often asked in everyday science-related MCQs.

Print Titles in Excel are used to repeat specific rows or columns on every page when printing a large worksheet. This feature helps in keeping headers visible across all printed pages, improving readability. It is accessed through the Page Layout tab under the Print Titles option. Very useful in data-heavy reports or tabular printouts.

Loss percentage is calculated by the formula: Loss% = (Loss/Cost Price) × 100. Here, the loss is Rs. 1000 (5000 - 4000). So, (1000/5000) × 100 = 20%. But the correct answer is 25%, indicating a recheck may be needed for values or question wording. Always ensure formulas are applied correctly to solve such problems.

A Virtual Printer mimics a real printer’s functions but outputs to a file instead of paper. It is used to create PDFs or image files from any printable document. Virtual printers are common in software like PDF creators, enabling printing without physical resources. This concept is crucial for paperless operations and document conversion.

"Aqeeda" is derived from the Arabic word "Aqid," which means to tie or bind. In Islamic terminology, it refers to the core beliefs or creed that a Muslim holds. Understanding Aqeeda is essential for grasping the foundation of Islamic faith, including belief in Allah, Prophets, Angels, and the Day of Judgment.

Windows NT is an operating system, not an application software. Application software refers to programs designed for end users, such as Photoshop or Word. Understanding the difference helps in classifying software correctly during computer literacy assessments or technical exams.

Using work-time formula: 1/5 + 1/x = 1/3, solving gives x = 7.5 days. This question uses the concept of combined work efficiency. Such problems are common in aptitude and competitive exams and require clear understanding of work-time relationships.

“PRINT INPUT” is a syntax error because these are two separate commands in programming and cannot be combined in that way. Understanding syntax rules is vital in programming to avoid run-time and compile-time issues. Such questions are common in computer science basics.

The ozone layer blocks harmful ultraviolet (UV) radiation from the sun. Without it, humans would be at risk for skin cancer, eye damage, and weakened immune systems. It plays a critical role in maintaining life-supporting conditions on Earth. Ozone awareness is key in environmental science and current affairs topics.

Taekwondo originated in Korea and is now a globally practiced martial art. It emphasizes head-height kicks and fast hand techniques. Understanding the origins of sports is helpful for general knowledge and international culture-related exams.

The CPU (Central Processing Unit) is hardware, often referred to as the brain of the computer. It processes instructions and runs the operating system and applications. Knowing the classification of components is essential in computer basics.

MS Excel is primarily used to obtain and organize data using rows, columns, and formulas. It helps users analyze, store, and retrieve data efficiently. Excel is a fundamental tool in offices, accounting, and data analysis tasks.

Profit percentage = [(S.P - C.P)/C.P] × 100 = [(5 - 4)/4] × 100 = 25%. Ratio-based problems often appear in quantitative sections of exams, and understanding profit and loss is key to solving them quickly.

Total of 5 numbers = 5×6 = 30. Total of 3 numbers = 3×4 = 12. Remaining 2 numbers = 30 - 12 = 18. So, mean = 18/2 = 9. This type of question enhances analytical thinking and arithmetic skills.

When a picture is resized proportionally, it is said to be "scaled." Scaling is a common feature in graphic design and presentation software. It helps maintain aspect ratio while resizing. Important in digital media-related topics.

Rabindranath Tagore was the first South Asian to receive the Nobel Prize in Literature in 1913. This achievement marked global recognition of South Asian intellectual contribution. Knowledge of such milestones is essential in current affairs and general knowledge exams.

The Punjab Regiment is the oldest and most decorated regiment in the Pakistan Army, with numerous awards and honors. Military history and regimental records are important for defense-related and Pak Studies questions.

“Presentation view” is not a standard view in PowerPoint. Common views include Normal, Slide Sorter, and Slide Show. Understanding interface elements in MS Office tools is crucial for office productivity and basic computer literacy.

The Suez Canal links the Mediterranean Sea to the Red Sea, providing a vital trade route between Europe and Asia. It reduces the travel distance significantly and is a critical component of global maritime trade. Essential for geography and current affairs.

A ratio equivalent to 3:7 can be found by multiplying both parts by the same number. 3×3 = 9 and 7×3 = 21. So, 9:21 is equivalent. Ratio questions test multiplication and proportional reasoning, common in basic math evaluations.

The Unionist Party of Punjab participated in the Simon Commission, unlike most other parties that chose to boycott it due to the absence of Indian representation. This decision was based on their pragmatic political approach to safeguard regional interests. Understanding this helps in grasping the political complexities of British India.

The world’s oldest known intact shipwreck was found in the Black Sea. It is over 2,400 years old and preserved due to the oxygen-deprived conditions of the deep sea. This discovery provides crucial insights into ancient trade and shipbuilding practices.

The 8th Amendment in Pakistan significantly altered the Constitution but was followed by steps to restore the 1973 Constitution to its original parliamentary form. It remains a key topic in understanding Pakistan’s constitutional history and political reforms.

By solving the equations from given averages, we find C’s age to be 36. This problem involves using the properties of averages and basic algebra. Such questions are frequent in quantitative reasoning sections of competitive exams.

To convert a percentage to a decimal, divide by 100. So, 142.5 ÷ 100 = 1.425. This concept is vital in everyday calculations, financial analysis, and exam questions involving percentages and conversions.

Al-Azhar University, located in Cairo, Egypt, is one of the oldest and most prestigious Islamic institutions in the world. It plays a key role in religious education and jurisprudence across the Muslim world. Knowing such historic institutions is helpful in general and Islamic knowledge exams.

Bulk email refers to the act of sending large volumes of email messages, typically for marketing or advertising. Such emails, especially unsolicited ones, are generally classified as spam. Spam filters are used by email providers to block or redirect these messages to prevent inbox flooding and ensure relevant communication reaches the user.

An apostrophe is used before the letter “s” to indicate possession, such as in “Ali’s book.” This punctuation helps distinguish ownership in writing and is essential in both singular and plural possessive forms. Proper use of apostrophes improves clarity and correctness in English grammar.

PowerPoint is the primary software used for creating digital presentations, commonly utilized in education, business, and professional settings. It allows users to combine text, images, and multimedia into slides, offering tools for animations, transitions, and slide design.

The United Nations Commission on Human Rights meets in Geneva for a six-week session annually. These meetings focus on promoting human rights globally and addressing violations. Geneva serves as a major hub for many international diplomatic and human rights activities.

The first official session of the All-India Muslim League was held in December 1907 at Karachi. This session laid the foundation for the League’s political agenda, which later played a pivotal role in the struggle for the creation of Pakistan.

Pakistan attained full membership of the Shanghai Cooperation Organization (SCO) in 2017. The SCO is a regional alliance focused on political, economic, and security-related cooperation, and Pakistan’s inclusion enhances its regional diplomatic ties and strategic influence.

When an Excel worksheet is embedded in a Word document, you can edit it using the Excel menu bar that appears within Word upon double-clicking the embedded object. This integration allows users to apply Excel's features directly within the Word environment.

To convert a percentage to a decimal, divide it by 100. Therefore, 5.3% becomes 0.053. Understanding this conversion is useful in data analysis, statistics, and financial calculations, especially when working with percentages in equations.

This is a proportional analogy. If 2 relates to 7, then the unknown number must relate to 49 in the same ratio. Solving: (2/7) = (x/49) → x = (2×49)/7 = 14. Ratio-based questions often appear in aptitude and competitive tests.

An IP address is a unique numerical label assigned to each device connected to a computer network. It enables identification and communication between devices on the internet. Every time you browse online, your IP helps route the data to and from your device.

The percent symbol (%) is produced by pressing Shift + 5 on a standard QWERTY keyboard. Knowing the placement of symbols on the keyboard is essential for quick data entry, especially in math, coding, and office tasks.

Six-tenths in decimal form is 0.6. This conversion helps in dealing with fractions in more manageable numerical forms and is vital in solving mathematical problems related to measurement, ratios, and proportions.