A student got 20% marks and failed by 72 marks. If he scores 40% marks

1.	A student got 20% marks and failed by 72 marks. If he scores 40% marks then he gets 8 marks more than the passing marks. Find the passing marks.1. 1502. 1523. 1424. 160
Answer» Correct Answer - Option 2 : 152 Given: A student got 20% marks and failed by 72 marks. If he scores 40% marks then he gets 8 marks more than the passing marks. Concept: Percentage. Solution: Let total marks be 100x A student scores 20% marks and failed by 72 marks means if he gets 72 marks he would pass ⇒ 20x + 72 A student scores 40% marks and gets 8 marks more than passing marks. ⇒= 40x – 8 Passing marks ⇒ 20x + 72 = 40x – 8 ⇒ 20x = 80 ⇒ x = 4 Passing marks = 20x + 72 ⇒ 80 + 72 ⇒ 152 ∴ The passing marks is 152.

A student got 20% marks and failed by 72 marks. If he scores 40% marks then he gets 8 marks more than the passing marks. Find the passing marks.1. 1502. 1523. 1424. 160

Answer» Correct Answer - Option 2 : 152

Given:

A student got 20% marks and failed by 72 marks. If he scores 40% marks then he gets 8 marks more than the passing marks.

Concept:

Percentage.

Solution:

Let total marks be 100x

A student scores 20% marks and failed by 72 marks means if he gets 72 marks he would pass

⇒ 20x + 72

A student scores 40% marks and gets 8 marks more than passing marks.

⇒= 40x – 8

Passing marks

⇒ 20x + 72 = 40x – 8

⇒ 20x = 80

⇒ x = 4

Passing marks = 20x + 72

⇒ 80 + 72

⇒ 152

∴ The passing marks is 152.

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