the cost of my school exercise book was Rs.10.now she has pay RS.6 I buy the same book for RS.12 let's calculate the percentage increase in the price of the exercise book.
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4
Answer:
at first 60% than 50% when you paid 6 in 10 you paid 60% rs than you pay 6 in 12 you paid 50% rs
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2
Answer:
now price increased = 12-10=2
so percentage of 2 = 2/10*100
=20%
:. the price increased by 20%
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