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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? 25 × 5
Question

What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
25 × 5 − 7 ÷ 8 + 10 = ?

A.

51

B.

50

C.

49

D.

53

Correct option is A

Interchange the operators:
+ ↔ −
× ↔ ÷
Original equation:
25 × 5 − 7 ÷ 8 + 10
After interchange:
25 ÷ 5 + 7 × 8 − 10
= 5 + 7 × 8 − 10
= 5 + 56 − 10
= 61 − 10
= 51
Final Answer:
51
Final Correct Option:
A

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