A. 32:35

B. 67:56

**C. 5:14**

D. 5:7

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# Ratio and Proportion

## 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

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## A:B=2:3, B_C=3:4, A_D=4:5. Find C:D.

A. 2:5

B. 4:5

C. 6:5

**D. 8:5**

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## x is 20% more than z and y is 80% more than z. Find x:y.

A. 1:4

B. 3:4

C. 1:3

**D. 2:3**

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## If a flat costs Rs.4500 per sq. ft, and a commercial space costs Rs.9500 per sq. ft, then what is the ratio of their areas if the total cost of both are the same?

A. 9:19

**B. 19:9**

C. 15:28

D. 28:15

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## The sum of three numbers is 98. If the ratio of the first to the second is 2 : 3 and that of the second to the third is 5 : 8, then the second number is :__________?

A. 20

**B. 30**

C. 48

D. 58

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## 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

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## The sum of squares of three numbers is 280. If the numbers are in the ratio 3:5:6, find the greatest number.

A. 8

B. 6

**C. 12**

D. 18

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## The third proportional to 3.5, 5.6 is:___________?

**A. 8.96**

B. 8

C. 4.5

D. 6.2

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## In a partnership for a business, Changaz invests Rs.6000 for complete year & Nasir invests Rs.3000 for 6 months. What is Nasir’s share if they earn Rs.240 as profit?

A. 120

B. 80

C. 192

**D. 48**

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