40% of 65% of 32% of a sum is Rs 520. What is that sum?

This question was previously asked in
CRPF Constable Technical Tradesman Official Paper (Held On: 01 July, 2023 Shift 2)
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  1. ₹ 5,240
  2. ₹ 8,550
  3. ₹ 6,540
  4. ₹ 6,250

Answer (Detailed Solution Below)

Option 4 : ₹ 6,250
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Detailed Solution

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Given:

40% of 65% of 32% of a sum is Rs 520

Formula Used:

Required Sum = Given Amount / (Percentage Product)

Calculations:

Let the required sum be "x"

40% of 65% of 32% of x = 520

(40/100) × (65/100) × (32/100) × x = 520

(0.4) × (0.65) × (0.32) × x = 520

0.0832 × x = 520

x = 520 / 0.0832

x = 6250

∴ The required sum is ₹ 6,250

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