Category: Average

Average (7)

1. Suresh drives his car to a place 150 km away at an average speed of 50 km/hr and returns at 30 km/hr. What is his average speed for the whole journey ? 1. 32.5 km/hr. 2. 35 km/hr. 3. 37.5 km/hr 4. 40 km/hr   2. The average age of a husband and his […]

Average (6)

1. The average age of 36 students in a group is 14 years. When teacher’s age is included to it, the average increases by one. Find out the teacher’s age in years? 1. 51 years 2. 49 years 3. 53 years 4. 50 years   2. The average of five numbers id 27. If one […]

Average (5)

1. A batsman makes a score of 87 runs in the 17th inning and thus increases his averages by 3. What is his average after 17th inning? 1. 39 2. 35 3. 42 4. 40.5   2. A student needed to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, […]

Average (4)

1. The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, what is the weight of B? 1. 31 kg 2. 2812 kg 3. 32 kg 4. 3012 kg   2. If the average […]

Average (3)

1. A car owner buys diesel at Rs.7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. What approximately is the average cost per litre of diesel if he spends Rs. 4000 each year? 1. Rs. 8 2. Rs. 7.98 3. Rs. 6.2 4. Rs. 8.1   2. A family consists of two […]

Average (2)

1. The average age of a class of 22 students is 21 years. The average increased by 1 when the teacher’s age also included. What is the age of the teacher? 1. 48 2. 45 3. 43 4. 44   2. A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 […]

Average (1)

1. The average age of 40 boys in a class is 15. The average age of a group of 18 boys in the class is 16 and the average age of another12 boys in the class is 14. What is the average age of the remaining boys in the class?1.15.25 years 2. 14.4 years 3. […]