A man spends 75% of his income. His income increased by 20% and he increased his expenditure by 10%. His savings increased by:
A man spends 75% of his income. His income increased by 20% and he increased his expenditure by 10%. His savings increased by:
एक आदमी अपनी आय का 75% खर्च करता है। उसकी आय में 20% की वृद्धि हुई और उसने अपने व्यय में 10% की वृद्धि की। उसकी बचत में कितनी वृद्धि हुई: