Q. 76. In an examination, it is required to get 36% of the maximum marks to pass. A student got 113 marks and was declared failed by 85 marks. What was the maximum mark?
(A) 600
(B) 550
(C) 640
(D) 650
Answer:
Explanation:
Q. 77. The average age of 30 students in a class is 12 years. The average age of a group of 5 students of the class is 10 years and that of another group of 5 students is 14 years. The average age of remaining students is
(A) 8 years
(B) 10 years
(C) 12 years
(D) 16 years
Answer:
Explanation:
Q. 78. If radius of a circle is reduced by 50%, its area is reduced by-
(A) 25%
(B) 50%
(C) 75%
(D) 100%
Answer:
Explanation:
Q. 79. In an examination 70% of the candidates passed in English, 80% passed in Mathematics, 10% passed in both subjects. If 144 candidates passed in both, the total number of candidates was
(A) 125
(B) 200
(C) 240
(D) 375
Answer:
Explanation:
Q. 80. A man buys 12 articles for 12 rupees and sells it at the rate of 1.25 rupees per article. His gain percentage is-
(A) 20%
(B) 25%
(C) 15%
(D) 18%
Answer:
Explanation: