Numerical Ability - Simplification & Approximation
If 35% of a number is 84, find the number.
If 35% of a number is 84, find the number.
hard Q10 of 15
Step-by-Step Solution
Step 1: Set up equation from given percent
Let the number be x. 35% of x = 84 → (35/100)×x = 84.Step 2: Solve for x
x = 84 × (100/35) = 84 × (20/7) = 12 × 20 = 240.Final Answer:
240 → Option D.Quick Check:
35% of 240 = 0.35 × 240 = 84 ✅
Quick Trick: To reverse, divide given value by (p/100).
Common Mistakes:
- Multiplying by percentage instead of dividing by p/100 to find original.
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