Question : Direction: In the following question, select the related number from the given alternatives.
525 : 25 :: 315 : ?
Option 1: 10
Option 2: 15
Option 3: 5
Option 4: 25
Correct Answer: 15
Solution : Given:
525 : 25 :: 315 : ?
The above ratio can also be written as
$$\frac{525}{25} = \frac{315}{?}$$
$$? = \frac{315\times25}{525}$$
$$? = 15$$
Hence, the second option is correct.
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