Numerical Ability - Simplification & Approximation
Simplify: (25% of 200 + √36) ÷ (1/2 of 16)
Simplify: (25% of 200 + √36) ÷ (1/2 of 16)
easy Q11 of 15
Step-by-Step Solution
Step 1: Compute 25% of 200
25% = 25/100, so (25/100) × 200 = 0.25 × 200 = 50.Step 2: Evaluate the square root
√36 = 6.Step 3: Form the numerator
50 + 6 = 56.Step 4: Compute the denominator
(1/2) of 16 = 0.5 × 16 = 8.Step 5: Divide numerator by denominator
56 ÷ 8 = 7.Final Answer:
7 → Option A.Quick Check:
7 × 8 = 56 (matches numerator) ✅
Quick Trick: Convert percentages to fraction (x/100) and simple fractions to decimals (1/2 = 0.5) for quick calculation.
Common Mistakes:
- Forgetting to convert % to fraction or mis-evaluating the square root.
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