Q : An examination was conducted for five subjects where the maximum marks for each subject was 100. Scored 82,97, 88 and 91 marks in 4 subjects respectively. If his total marks were 90 percent, then how many marks did he get in fifth subjects?
(A) 92
(B) 94
(C) 89
(D) 79
The owner of a bike buys petrol for 3 years continuously at Rs 64, Rs 80 and Rs 320 per litre respectively. If he spends Rs 32,000 every year buying petrol, what is the average price per litre of petrol?
(A) 120
(B) 84
(C) 108
(D) 96
16 children are to be divided into two group A and B consisting of 10 and 6 children. The average percent marks obtained by the children of Group A is 75 and the average percent marks of all the 16 children is 76. What is the average percent marks of children of Group B?
(A)
(B)
(C)
(D)
A car travel to a place 150 km away at an average speed of 50 km/hr and returns it 30 km/hr. What is the average speed of the whole journey?
(A) 35.5 km/hr
(B) 37.5 km/hr
(C) 40.5 km/hr
(D) 33.5 km/hr
A man spends Rs. 1800 monthly on an average for the first four months and Rs. 2000 monthly for the next eight months and saves Rs. 5600 a year. His average monthly income is
(A) Rs. 2000
(B) Rs. 2200
(C) Rs. 2400
(D) Rs. 2600
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