Numerical Ability - Simplification & Approximation
Approximate: 1287 × 46 (round the result to the nearest hundred)
Approximate: 1287 × 46 (round the result to the nearest hundred)
medium Q5 of 15
Step-by-Step Solution
Step 1: Compute exact product
Exact product = 1287 × 46 = 59202.Step 2: Round to the requested precision
Round to the nearest hundred → 59200.Final Answer:
59200 → Option B.Quick Check:
1287 × 50 = 64350 (overestimate); 59200 is consistent with a slightly smaller factor ✅
Quick Trick: Compute exact if quick, then round to requested precision for surety.
Common Mistakes:
- Rounding factors before multiplying in a way that produces larger error than necessary.
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