Read the following bar diagram carefully to answer the question given below.

Marks obtained by five students in different subjects - Maths, English and Science - in an examination.

IMG - 1161 Nishi Dhariwal  28-03-25  10

By what percentage (approximately), the marks obtained by Amit in science is less than that in Maths? 

This question was previously asked in
MP Vyapam Group 4 (Assistant Grade-3/Stenographer) Official Paper (Held On: 18 July, 2023 Shift 2)
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  1. 21
  2. 24
  3. 22
  4. 18

Answer (Detailed Solution Below)

Option 4 : 18
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Detailed Solution

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Given:

Marks obtained by Amit in Maths = 90

Marks obtained by Amit in Science = 74

Formula used:

Percentage decrease = \(\dfrac{(Initial\ value - Final\ value)}{Initial\ value} \times 100\)

Calculations:

Initial value (Marks in Maths) = 90

Final value (Marks in Science) = 74

⇒ Percentage decrease = \(\dfrac{(90 - 74)}{90} \times 100\)

⇒ Percentage decrease = \(\dfrac{16}{90} \times 100\)

⇒ Percentage decrease \(\approx\) 18%

∴ The correct answer is option (4).

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