Which two numbers from amongst the given options should be interchanged to make the given equation c...........

General Intelligence and Reasoning (CHSL) Arthemetic Operations

Which two numbers, from amongst the given options, should be interchanged to make the given equation correct?

(132 ÷ 12) + (6 × 11) + 18 − (64 ÷ 16) × 8 = 70

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SSC CHSL 9th June 2022 Shift-1

11 and 8

12 and 6

8 and 6

12 and 11

- The original equation is: (132 ÷ 12) + (6 × 11) + 18 - (64 ÷ 16) × 8 = 70.

- Evaluate it step by step:

- 132 ÷ 12 = 11

- 6 × 11 = 66

- 64 ÷ 16 = 4

- 4 × 8 = 32

- So, 11 + 66 + 18 - 32 = 63, not 70.

- Check each option by swapping values:

- Swapping 11 and 8 doesn’t help.

- Swapping 12 and 6 gives: (132 ÷ 6) + (12 × 11) + 18 - (64 ÷ 16) × 8 = 70.

- 132 ÷ 6 = 22 and 12 × 11 = 132, 22 + 132 + 18 - 32 = 140, incorrect.

- Swapping 8 and 6 gives: (132 ÷ 12) + (8 × 11) + 18 - (64 ÷ 16) × 6 = 70.

- 132 ÷ 12 = 11 and 8 × 11 = 88, 11 + 88 + 18 - 24 = 93, incorrect.

- Swapping 12 and 11 gives: (132 ÷ 11) + (6 × 12) + 18 - (64 ÷ 16) × 8 = 70.

- 132 ÷ 11 = 12 and 6 × 12 = 72, 12 + 72 + 18 - 32 = 70, correct.

Therefore, the correct option is: 4, 12 and 11

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