If 'A' stands for '÷', 'B' stands for '×', 'C' stands for '+', and 'D' stands for '-', what will come in place of the question mark (?) in the following equation?
128 A 4 C 16 B 7 D 5 = ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 139.
Given Equation: 128 A 4 C 16 B 7 D 5 = ?
On interchanging the signs:
⇒ (128 ÷ 4) + 16 × 7 - 5 = ?
⇒ 32 + (16 × 7) - 5 = ?
⇒ (32 + 112) - 5 = ?
⇒ 144 - 5 = 139