Exams › SSC CGL (Prelims) › Reasoning

Which two numbers, not digits, should be interchanged to make the given equation correct? 6 × 3 + 8 + 2 + 21 + 5 × 4 - 14 + 7 = 53

1. 8 and 4
2. 3 and 5
3. 2 and 4
4. 21 and 14

Correct answer: 21 and 14

Solution

Interchanging 21 and 14 changes the expression so that its value becomes 53. No other listed swap makes the equation true.

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