A number is increased by 20% and then again by 20%. By what percent should the increased number be reduced so as to get back to the original number?
(1) 1
(2) 2
(3) 3
(4) 4
EXPLANATION
Answer 2
20%= 1/5 increased that is why 6/5
5 ——————–> 6 ——————–> 7.2
Original Value ——————–> ——————–>
(20% increase) (20% increase)
100 — 6
120 — ? 720/100= 7.2
The value should be reduced by = 2.2/7.2*100= 2200/72= 30 5/9 %
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