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Select the option that is related to the third number in the same way as the second number is related to the first number. 15:8:: 25:?
Question

Select the option that is related to the third number in the same way as the second number is related to the first number.
15:8:: 25:?

A.

14

B.

10

C.

16

D.

12

Correct option is B

Relationship between 15 and 8
15=3×5
8=3+5
Apply the Same Logic to 25
Now, find two numbers such that:
Their product is 25.
Their sum is the required answer.
The pair of numbers is
5×5=25
5+5=10
Correct answer is (b) 10

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