A man purchased sugar worth of Rs. 400 he sold (3 / 4)th at a loss of 10% and the remainder at a gain of 10%. on the whole, he gets?
Correct Answer: A loss of 5%
Explanation:
S.P. = 90% of (3/4 of Rs. 400) + 110% of (1/4 of Rs. 400)
= Rs. (90/100 x 3/4 x 400) + Rs. (110/100 x 1/4 x 400)
= Rs. (270 + 110) = Rs. 380
∴ loss% = (20/400 x 100)% = 5%