Question

A student A scores 25% marks in exam and fail by 10 marks, another student B scores 40% marks and pass by 5 marks. What is the passing marks in the exam?

• A. 25
• B. 40
• C. 35
• D. 50

Answer 1

Answer:

C. 35

Let total marks be P

⇒ A’s score = 25% of P = $\frac{P}{4}$

⇒ B’s score = 40% of P = $\frac{2P}{5}$

According to question,

⇒ $(\frac{P}{4})$ + 10 = $(\frac{2P}{5})$ – 5

⇒ $\frac{3P}{20}$ = 15

⇒ P = 100

⇒ Passing marks = $(\frac{P}{4})$ + 10 = $(\frac{100}{4})$ + 10 = 35