If A denotes ‘+’, B denotes ‘×’, C denotes ‘-’, and D denotes ‘÷’, then what will come in place of ‘?’ in the following equation?
(51 D 17) A (21 B 9) C 78 A (16 D 4) =?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 118.
Given equation: (51 D 17) A (21 B 9) C 78 A (16 D 4) =?
Given conditions:
A denotes ‘+’, B denotes ‘×’, C denotes ‘-’, and D denotes ‘÷’
After interchanging the expression becomes:
= (51 ÷ 17) + (21 × 9) - 78 + (16 ÷ 4)
= 3 + 189 - 78 + 4
= 192 - 74
= 118
Hence, option 3 is the correct answer.