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Q.

If 2A = 3B and 4B = 5C, then what is A:C?


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a

5:8

b

1:2

c

1:4

d

15:8 

answer is D.

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Detailed Solution

Given, 2A = 3B and 4B = 5C.
4B=5C
⇒B=54C
2A=3B
Substitute B=54C.
2A=3(54C)
2A=154C
8A=15C
AC=158
A:C = 15:8
Hence, option 4 is correct.
 
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