SSC MTS 2024 · PYQ · Mathematical Operations · medium
What will come in place of the question mark (?) in the following equation, if '+' and '−' are interchanged and '×' and '÷' are interchanged?
310 × 2 − 3 ÷ 40 + 170 = ?
A.129
B.142
C.151
D.105✓ Correct
Explanation
After swapping '+' with '−' and '×' with '÷', the equation becomes 310 ÷ 2 + 3 × 40 − 170 = 155 + 120 − 170 = 105.
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