Question

# A man purchases an electric heater whose printed price is Rs. $$160$$. If he received two successive discounts of $$20\%$$ and $$10\%$$, he paid ____________.

A
Rs. 112
B
Rs. 129.60
C
Rs. 119.60
D
Rs. 115.20

Solution

## The correct option is D Rs. $$115.20$$$$(20\%$$ discount on $$160) =x$$ (say)And then $$(10\%$$ discount on $$x)$$The money he paid is $$=((1-0.2)160)(1-0.1)$$$$=(0.8\times 160)0.9$$$$=115.2$$Maths

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