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Study the following table and answer the question that follows.

School Name

Total number of Student enrolled

Percentage of students who opted for statistics

A

450

20

B

200

18

C

500

12

D

400

15

 What is the average number of students who opted for other than statistics subject in school A and D?

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SSC CGL 2022 Tier-I Official Paper (Held On : 06 Dec 2022 Shift 3)
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  1. 7340
  2. 360
  3. 355
  4. 350

Answer (Detailed Solution Below)

Option 4 : 350
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Detailed Solution

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Calculation:

Number of students who opted for other than statistics subject in school A = 450 × 80%

⇒ 360

Number of students who opted for other than statistics subject in school D = 400 × 85%

⇒ 340

Total = 360 + 340

⇒ 700

Average = 700/2

⇒ 350

∴ The required answer is 350.

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Last updated on Jun 25, 2025

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