Raj’s income is ₹45,000 and his expenditure is ₹33,000. If his income increases by 20% and expenditure increases by 12%, then by what percentage will his savings increase?

Raj’s income is ₹45,000 and his expenditure is ₹33,000. If his income increases by 20% and expenditure increases by 12%, then by what percentage will his savings increase?
राज की आय ₹45,000 और व्यय ₹33,000 है। यदि उसकी आय में 20% तथा व्यय में 12% की वृद्धि हो जाए, तो उसकी बचत कितने प्रतिशत बढ़ेगी?

48% 56% 36% 42%