If 'A' denotes 'addition', 'B' denotes 'multiplication', 'C' denotes 'subtraction', and 'D' denotes 'division',then what will be the value of the following expression?
15 B (14 C 7) A 25 D (18 C 13) C 8 B (2 A 3) = ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e.70.
15 B (14 C 7) A 25 D (18 C 13) C 8 B (2 A 3) = ?
After interchangeing signs,
= 15 × (14 - 7 ) + 25 ÷ (18 - 13 ) - 8 × (2 + 3 )
= (15 × 7) + (25 ÷ 5) - (8 × 5)
= 105 + 5 - 40
= 110 - 40
= 70