The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team ?
23 years
24 years
25 years
30 years
In a certain country 2400 crore kilograms of food grains are consumed a year. If the per capita consumption is 200 kilograms, find the population of the country?
11 crore
11 lakhs
12 lakhs
12 crores
A family consists of grand parents, parents and three grand children. The average age the grand parents is 67 years, that of the parents is 35 years and that of the grand children is 6 years. What is the average age of the family ?
28 4/7 years
31 5/7 years
32 1/7 years
None of these
John got an average of 25 coconuts from 10 coconut tree from this coconut grove. What can be the number of coconuts he got from each coconut tree ?
200
250
275
300
There were 32 teachers in a school and their average age is 37. Two of them retired at the age of 55 and two others of ages 21 and 25 joined in their places. What is the average age of the teachers now ?
30
32
35
40
Average of 20 numbers is zero. Of them, at the most, how many may be greater than zero ? .
0
1
10
19
A grocer has sale of Rs. 6435, Rs. 6927, Rs, 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500.
Rs. 4991
Rs. 5991
Rs. 6001
Rs. 6991
Collection on seven days of the first week of April is Rupees 6432, 7250, 9218, 7111, 8540, 4560 and 6700. Find one day’s average.
Rs. 7973
Rs. 8000
Rs. 7111
Rs. 9218
Average age of 20 teachers in the school is 34 when a 55 year old teacher retired another of 35 joined, find the present average?
33
37
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. Then the weight of B be.
17 kg
20 kg
31 kg
36 kg