101 The average of 35 students in a class is 16 years. The average age of 21 students is 14. What is the average age of remaining 14 students? Mathematics Medium Full question → A 15 years B 17 years C 18 years D 19 years
102 The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is__________? Mathematics Medium Full question → A 25 B 27 C 30 D 35
103 A library has an average of 510 visitors on Sunday and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is___________? Mathematics Medium Full question → A 250 B 276 C 280 D 285
104 A family consists of grandparents, parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. What is the average age of the family? Mathematics Medium Full question → A 28 4/7 years B 31 5/7 years C 32 1/7 years D None of these
105 The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers? Mathematics Medium Full question → A 2 B 5 C 8 D Cannot be determined
106 The average of non-zero number and its square is 5 times the number. The number is__________? Mathematics Medium Full question → A 9 B 17 C 29 D 295
107 The average of the two-digit numbers, which remain the same when the digits interchange their positions, is__________? Mathematics Medium Full question → A 33 B 44 C 55 D 66
108 The average of first five multiples of 3 is____________? Mathematics Medium Full question → A 3 B 9 C 12 D 15
109 Find the average of all the numbers between 6 and 34 which are divisible by 5. Mathematics Medium Full question → A 18 B 20 C 24 D 30
110 The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero? Mathematics Medium Full question → A 0 B 1 C 10 D 19
111 Sarfaraz obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks? Mathematics Medium Full question → A 65 B 69 C 72 D None of these
112 A total of 3000 chocolates were distributed among 120 boys and girls such that each boy received 2 chocolates and each girl received 3 chocolates. Find the respective number of boys and girls? Mathematics Medium Full question → A 70, 50 B 60, 60 C 50, 70 D 40, 80
113 Rs. 6000 is lent out in two parts. One part is lent at 7% p.a simple interest and the other is lent at 10% p.a simple interest. The total interest at the end of one year was Rs. 450. Find the ratio of the amounts lent at the lower rate and higher rate of interest? Mathematics Medium Full question → A 5 : 1 B 4 : 1 C 3 : 2 D 2 : 1
114 A trader purchased two colour televisions for a total of Rs. 35000. He sold one colour television at 30% profit and the other 40% profit. Find the difference in the cost prices of the two televisions if he made an overall profit of 32%? Mathematics Medium Full question → A Rs. 21000 B Rs. 17500 C Rs. 19000 D Rs. 24500
115 Two pipes A and B can fill a cistern in 12 and 15 minutes respectively. Both are opened together but after 3 minutes A is turned off. After how much more time will the cistern be filled? Mathematics Medium Full question → A 3 1/4 min B 5 1/4 min C 8 1/4 min D 9 1/4 min
116 Two pipes A and B can fill a tank in 4 and 5 hours respectively. If they are turned up alternately for one hour each, the time taken to fill the tank is? Mathematics Medium Full question → A 2 hrs 15 min B 4 hrs 24 min C 5 hrs D 3 hrs
117 A cistern is filled by a tap in 3 1/2 hours. Due to leak in the bottom of the cistern, it takes half an hour longer to fill the cistern. If the cistern is full how long will it take the leak to empty it? Mathematics Medium Full question → A 7 hours B 8 hours C 14 hours D 28 hours
118 Two taps can separately fill a cistern 10 minutes and 15 minutes respectively and when the waste pipe is open, they can together fill it in 18 minutes. The waste pipe can empty the full cistern in? Mathematics Medium Full question → A 7 min B 13 min C 23 min D 9 min
119 A cistern has a leak which would empty the cistern in 20 minutes. A tap is turned on which admits 4 liters a minute into the cistern, and it is emptied in 24 minutes. How many liters does the cistern hold? Mathematics Medium Full question → A 480 liters B 600 liters C 720 liters D 800 liters
120 Two pipes P and Q can fill a cistern in 12 and 15 minutes respectively. Both are opened together, but at the end of 3 minutes the first is turned off. How much longer will the cistern take to fill? Mathematics Medium Full question → A 9 1/4 min B 11 1/4 min C 7 1/4 min D 8 1/2 min