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 ?

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

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 ?

If a number is increased by 20% and the resulting number is again increased by 20%, then what per cent is the total increase?

A labourer works for 60 hours a week. and gets Rs. 2400 as wages. If his 1 hour wages are increased by 40% and his working hours are reduced by 16 (2)/(3)% , then by how much will hiswages increase or decrease?