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CAT 1996 — QA Question 19

MiscellaneousEasy
Passage / Data

Direction: Answer the questions based on the following information.

A salesman enters the quantity sold and the price into the computer. Both the numbers are two-digit numbers. But, by mistake, both the numbers were entered with their digits interchanged. The total sales value remained the same, i.e. Rs. 1,148, but the inventory reduced by 54.

Find the value of 11+13-42+13-12+33-43+12-12

Answer & solution

  • A

    137

  • 157

  • C

    1121

  • D

    1728

Solution

11+13-42+13-12+33-43+12-12

=11+13-42+25+33-43+132

=11+13-4125+33-43+132

=11+13-53+33-43+23=11+143+33-4113

=11+34+33-1211=13-1211+33-1211=174+32111

=47+117=157

CAT 1996 QA Q19: Find the value of 1 1 + 1 3 - 4 2 + 1 3 - 1 2 + 3 3 - 4 3 + 1 2 - 1 2 — Solution | TheCATExam