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What will come in place of the question mark (?) in the following equation if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged? 22 − 13
Question

What will come in place of the question mark (?) in the following equation if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
22 − 13 ÷ 21 × 39 + 48 = ?

A.

−18

B.

−19

C.

−21

D.

−17

Correct option is B

Information Given:
Interchange:
+ ↔ −
× ↔ ÷
Equation: 22 − 13 ÷ 21 × 39 + 48

Logic:
Replace the operators first, then apply BODMAS.

Explanation:
22 + 13 × 21 ÷ 39 − 48
= 22 + (13 × 21 ÷ 39) − 48
= 22 + 7 − 48
= −19

Final Answer:
−19

Final Correct Option:
B

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