5/6 of a number is 665, find 9/20 of the same number?

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UP Police SI (दरोगा) Official PYP (Held On: 15 Nov 2021 Shift 2)
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  1. 359.1 
  2. 369.1
  3. 339.1
  4. 349.1

Answer (Detailed Solution Below)

Option 1 : 359.1 
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UP Police SI (दरोगा) Official PYP (Held On: 2 Dec 2021 Shift 1)
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Detailed Solution

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Given:

5/6 of a number = 665

Find 9/20 of the same number.

Calculation:

Let the number be x:

5/6 × x = 665

⇒ x = (665 × 6) ÷ 5

⇒ x = 798

Now, 9/20 of x = (9 ÷ 20) × 798

⇒ 9/20 of x = 359.1

∴ The correct answer is option (1).

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