A number is decreased by 30%, then increased by 27% and then futher increased by 20%. What is the net increase decrease percentage in the mumber (correct to the nearest integer)?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 7% increase.
Let the original number = 100
New value = 100 × (70/100) × (127/100) × (120/100) = 106.68
Net increase = 106.68 - 100 = 6.68% = 7% (approx)