Question

if a number is increased by 20% and the resulting number is again increased by 20% ,what per cent is the total increased

Answer 1

suppose that original number is

100%

1st ••• 20℅ increase

100 × 120/100 = 120%

again 20% increase

2nd •••• 120 × 120/100 = 144℅

total increase percentage

144% - 100% = 44%

Answer 2

Answer:

let the total number be X

I st number= 120/100*100=120 percent

2nd number= 120*120/100=144 percent

total percent increase= 144-100=44 percent