Home › RRB Group D › Mathematics › Simplification (BODMAS) › Evaluate: 56 / [ (1/3) { 15 + 12 - (9 + 6 - (5 +…
Evaluate: 56 / [ (1/3) { 15 + 12 - (9 + 6 - (5 + 7)) } ]
A12
B7
C9
D8
Answer & Solution
Correct answer: B. 7
1. Innermost: 5 + 7 = 12, so 9 + 6 - 12 = 3.
2. Then 15 + 12 - 3 = 24, and (1/3) x 24 = 8.
3. Finally 56 / 8 = 7.
_Source: RRB Group D CEN-02/2018 PYQ, Q.39._