A. 1/3
B. 7/9
C. 5/12
D. None of these
Ratio and Proportion

M:N = 3:4, N:O = 5:7 and O:P = 7:9. Then M:P =________?

In what ratio should the profit of Rs.8000 be divided if X starts a business with an investment of Rs. 20000, Y invests Rs.7500 for 4 months and Z invests Rs.15000 after 3 months from the start of the business.
A. 16 : 2 : 3
B. 8 : 3 : 6
C. 16 : 2 : 9
D. 6 : 9 : 1

The length and breadth of a rectangle are in the ratio 5:4. Find its perimeter if its area is 180 cm²
A. 54 cm
B. 27 cm
C. 12 cm
D. 15 cm

The plan for a rectangular area is drawn to a scale of 1:500. If the length and breadth in the plan is 30 cm and 20 cm, find the actual area.
A. 1200 m²
B. 1500 m²
C. 12000 m²
D. 15000 m²

The ratio of two numbers a and b is 3:5. If 2 is added to both the numbers, the ratio becomes 2:3. Find b.
A. 15
B. 10
C. 8
D. 5

If X:Y = 2:3, Y:Z = 4:5. Find X:Y:Z.
A. 2:3:5
B. 8:12:15
C. 2:8:5
D. 2:7:5

Find the mean proportion between 5 and 45.
A. 9
B. 15
C. 25
D. 50

Three quantities X, Y and Z are such that XY=kZ where k is constant. Initially, X was at 4 and X:Y:Z was 2:3:4. If the value of Y is changed to 12 and Z is kept constant, find the value of X.
A. 2
B. 3
C. 5
D. 6

A bag contains 50 paise, 1 rupee and 2 rupee coins in the ratio 2:5:8. If the total amount is Rs. 352, find the total number of coins in the bag. – PakMcqs
A. 160
B. 200
C. 250
D. 240

In what ratio should the profit be divided if M, N, O invests capital in ratio 2:3:5 and their timing of their investments are in the ratio 4:5:6
A. 8:15:30
B. 5:18:28
C. 4:5:6
D. 2:3:5