81. A clock is set right at 5 am. The clock loses 16 min in 24 h. What will be the right time when the clock indicates 10 pm on the 3rd day?
(A) 11.15 pm
(B) 11 pm
(C) 12 pm
(D) 12.30 pm
Answer:
Explanation:
82. How many times do the hands of a clock coincide in a day?
(A) 24
(B) 21
(C) 20
(D) 22
Answer:
Explanation:
83. A bag contains 50p, 25p and 10p coins in the ratio 5:9:4, amounting to Rs. 206. Find the number of coins of each type.
(A) 200, 360, 160
(B) 190, 150, 100
(C) 120, 180, 240
(D) 80, 110, 140
Answer:
Explanation:
84. A can do a piece of work in 4 hours. B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it?
(A) 8 hours
(B) 10 hours
(C) 12 hours
(D) 24 hours
Answer:
Explanation:
85. A man buys an article for Rs. 27.50 and sells it for Rs. 28.60. Find his gain percent.
(A) 10%
(B) 15%
(C) 18%
(D) 4%
Answer:
Explanation: