Numerical Ability - Simplification & Approximation
Simplify: 50 − { 4 × (9 ÷ 3) }
Simplify: 50 − { 4 × (9 ÷ 3) }
medium Q15 of 15
Step-by-Step Solution
Step 1: Solve the innermost bracket
(9 ÷ 3) = 3.Step 2: Apply multiplication
4 × 3 = 12. Expression becomes 50 − 12.Step 3: Perform subtraction
50 − 12 = 38.Final Answer:
38 → Option A.Quick Check:
(9 ÷ 3 = 3, 4 × 3 = 12, 50 − 12 = 38) ✅
Quick Trick: Work from the deepest bracket outward, then ×, then −.
Common Mistakes:
- Subtracting 50 − 4 first or ignoring bracket order.
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