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Price of a book increases 15% successively (2times) what is the new price of the book more compared to that of the old price: a)32.25% b)23.34% c)36% d)39%

Price of a book increases 15% successively (2times) what is the new price of the book more compared to that of the old price: a)32.25% b)23.34% c)36% d)39%

Grade:11

2 Answers

Raju Garg
29 Points
12 years ago

dear friend

Initial=100 (say)

1st increment=15

2nd=115*0.15= 17.25

total=15+17.25=32.25

so answer is option (a)

vijay chouhan
18 Points
11 years ago

Let initial moeny is 100 rs.

By formulas : SP=100*115/100

SP=115

In next time: SP=115*115/100

SP=132.25

so 132.25-100

32.25 % is answer

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