1)

Naresh secured 50% marks in Hindi, 60% in English and 70 % in Maths as well in Science. What were his total marks, If the maximum marks obtainable in each of these 4 subjects was 50?


A) 120

B) 125

C) 150

D) 200

E) 250

Answer:

Option B

Explanation:

Total marks $= 50$% of$ 50 + 60$% of $50 + 70$% of $50 +70$% of 50

$=\frac{\left(50\times 50\right)}{100}$ $+ \frac{\left(60\times 50\right)}{100}$ $+ \frac{\left(70\times 50\right)}{100}$ $+\frac{\left(70\times 50\right)}{100}$

$=125$