What appro×imate value should come in the place of ‘?’ in the following questions.

33 ÷ 150 × 80 + ? = 32

This question was previously asked in
RRB Clerk Prelims Memory Based Paper (Held On: 17 August 2024 Shift 2)
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  1. 15
  2. 20
  3. 25
  4. 40
  5. 50

Answer (Detailed Solution Below)

Option 1 : 15
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Detailed Solution

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Calculation:

33 ÷ 150 × 80 + ? = 32

⇒ 100/3 ÷ 150 × 80 + ? = 295/9

⇒ 100/3 × 1/150 × 80 + ? = 295/9

 2/3 × 1/3 × 80 + ? = 295/9

⇒ 160/9 + ? = 295/9

 ? = 295/9 - 160/9

 ? = 135/9 = 15

Option 1 is the correct answer.

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