A man’s working hours a day were increased by 20% and is wages per hour were increased by 15%. By how much percent was his daily earning increased?

Basir’s working hours per day were increased by 15% and his wages per hour were increased by 20%. By how much percent did his daily earnings increase ? बसीर के कार्य के दैनिक घंटे 15% बढ़ गए और उसकी मजदूरी में प्रति घंटे 20% की वृद्धि हुई | उसकी दैनिक आय में कितने प्रतिशत की वृद्धि हुई ?

Increase 80 by 15%

If the side of square is increased by 20% , then how much per cent does its area get increased :

If the radius of a sphere is increased by 20%, by what percent does its volume increase?

A person spends 80% of his income . If his income increase by 35% and his expenditure increases by 37 (1)/(2)% . By how much percent of his saving will increase or decreases ?