Question 7
If a number is reduced by 35%, then it becomes 416. By how much percent should the number be increased so that it become 876.8?
Solution
After reducing the number by 35%, it becomes = 416
=> Original number = $$\frac{416}{(100-35)}\times100$$
= $$\frac{32}{5}\times100=640$$
$$\therefore$$ % increase when number is increase to 876.8 = $$\frac{(876.8-640)}{640}\times100$$
= $$\frac{236.8}{6.4}=37\%$$
=> Ans - (B)
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