A man spends 75% of his income. If his income increases by 20% and his expenditure increases by 10%, his savings increase by

Question

A bought a phone from a store and paid $\frac{1}{6}$ of the price using UPI, $\frac{1}{3}$ of the price in cash, and the remaining balance a year later. He also paid 10% interest on the remaining balance after one year. What was the original price of the phone?

Answer 1

Step 1: Track the change amounts.
Income rises by $20$ (to $120$); spending rises by $7.5$ (to $82.5$).
Step 2: Extra savings.
Extra saving $=20-7.5=12.5$ on a base of $25$, i.e. $50\%$.
\[\boxed{50\%}\]

A man spends 75% of his income. If his income increases by 20% and his expenditure increases by 10%, his savings increase by

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The Correct Option is D

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