Home › RRB Group D › Mathematics › Order of Operations (BODMAS) › Evaluate: 80 ÷ [48 − {56 − (60 − 36 ÷ 12 × 4)}]
Evaluate: 80 ÷ [48 − {56 − (60 − 36 ÷ 12 × 4)}]
A5
B2
C8
D4
Answer & Solution
Correct answer: B. 2
1. Innermost: 36 ÷ 12 × 4 = 3 × 4 = 12, so 60 − 12 = 48.
2. Next: 56 − 48 = 8, then 48 − 8 = 40.
3. Finally 80 ÷ 40 = 2.
_Source: RRB Group D CEN-02/2018 PYQ, Q.17._