If 'A' stands for "÷", "B" stands for "x", "C" stands for "+" and 'D' stands for "-", what will come in place of the question mark ?" in the following equation?
3 B 27 D 5 C 7 A 7 = ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 77
Given equation: 3 B 27 D 5 C 7 A 7 = ?
After interchaning the sign with given letters we get:
3 × 27 - 5 + 7 ÷ 7 = ?
3 × 27 - 5 + 1 = ?
81 - 5 + 1 = ?
82 - 5 = 77