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Rishu saves x% of her income. If her inc...

Rishu saves x% of her income. If her income increases by 26% and the expenditure increases by 20%, then her savings increase by 50%. What is the value of x?
रिशु अपनी आय का x% बचाती है। अगर उसकी आय 26% बढ़ जाती है और खर्च 20% बढ़ जाता है, तो उसकी बचत में 50% की वृद्धि होती है। x का मान कया है

A

30

B

20

C

10

D

25

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