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SSC CGL Model Paper 19

Question : 18 of 100

Marks: +1, -0

60 + 3 × 5 -12 ÷ 4 = 92

Solution:

Concept:

Interchanging two signs changes the operations, so the expression must be re-evaluated using BODMAS.

Explanation:

Original expression:

60 + 3 \times 5 - 12 \div 4

Its value is

60+15-3=72

, so a swap is needed.

Interchange

\div

and

+

New expression:

60 \div 3 \times 5 - 12 + 4

First solve division:

60 \div 3 = 20

Then solve multiplication:

20 \times 5 = 100

Now add and subtract from left to right:

100 - 12 + 4 = 92

The equation becomes correct.

Answer:

Option C:

\div

and

+

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