Test Index

Ratio and Proportion

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Question : 13 of 112

Marks: +1, -0

If A's money is to B's money as 4: 5 and

{B}

's money is to C's money as 2: 3 and

C

1500 ₹

A

1000
800
1200
2000

Solution:

Concept:

Combine the two ratios by making B's value equal in both.

Explanation:

Given

A:B = 4:5

and

B:C = 2:3

.

Multiply the first ratio by 2 to get

A:B = 8:10

.

Multiply the second ratio by 5 to get

B:C = 10:15

.

Thus,

A:B:C = 8:10:15

.

C has ₹1500, which corresponds to

15

parts.

Value of one part =

\frac{1500}{15} = 100

.

A has

8

parts =

8 \times 100 = 800

.

Answer:

₹800

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