Question

1. 12% increase resulted in a price increase
of Rs 19.2 per one book.How much does the
book cost? -​

Answer 1

Let the original price be = x

12 % of the original price = 12/100×x

The original price is increased to 12%

X + 12x/100

100x+12x/100=>112x/100

According to question

112x/100 = 145.60

X => 14560/100×100/112 => ru 130

Answer 2

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