SOLUTIONS for Test of Mathematics at 10+2 Level TOMATO OBJECTIVE PROBLEMS with SOLUTIONS: CREDIT GOES TO ISI

by Credit goes to ISI

SOLUTIONS for Test of Mathematics at 10+2 Level --- TOMATO OBJECTIVE PROBLEMS. Total 853 number of solutions. Complete OBJECTIVE PROBLEMS and SOLUTIONS of the sixteenth edition of Test of Mathematics at 10+2 Level Example A salesman sold two pipes at Rs. 12 each. His profit on one was 20% and the loss on the other was 20%. Then, on the whole, he (a) Lost Re. 1 (b) Gained Re. 1 (c) Neither gained nor lost (d) Lost Rs. 2 Solution : Let the cost price of the pipe on which he made profit = x. → x + 20x/100 = 12 → 120x/100 = 12 → x = 12100/120 → x = 10 Let the cost price of the pipe on which he lost = y. → y – 20y/100 = 12 → 80y/100 = 12 → y = 12100/80 → y = 15 Therefore, total cost price = 10 + 15 = 25 Total selling price = 2*12 = 24 So, he lost (25 – 24) = Re. 1 Option (a) is correct.

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Published April 29, 2018

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