Question

Some toffees are bought at 6 for a rupee and the same number at 4 for rupee. If the whole lot is sold at 5 for a rupee. Find the gain or lose percent.
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Answer 1

ans: 4% loss

since the number of chocolates are same let us assume there are 24 chocolates

(bcoz lcm of 4 and 6 is 24)

so 24 choclates as 4 per rupee is 6 rupees

so 24 choclates as 6 per rupee is 4 rupees

total 10 rupees

now he mixed them

that is 48 chocolates as 5 per rupees is 9.6 rupees

so loss =(10-9.6)/10

=0.04

percentage is 4 percent

i hope it will help you...