The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45 .15 kg. Find the average weight of all the boys in the class.
47.55 kg
48 kg
48.55 kg
49.25 kg
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
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
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
The average weight of the 35 students of the A division of class 6 is 32 kilograms. The average weight of the 40 students of B division is 36 kilograms. What is the average weight of the two division s altogether ?
34 2/15 kg
33 2/15 kg
34 1/15 kg
33 1/15 kg
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?
30
33
35
37
The students in the Science club of Ezhimala G.U.P school conducted a survey on the consumption of electricity in 6 houses. They found out that the average monthly consumption is 150 unites. Then the houses started using CFL bulb. In the survey after one month. They found that there was a decrease of 180 units in consumption. What is the average consumption ?
120 units
110 units
125 units
135 units
The middle number among 13 consecutive natural numbers is 31. Find the sum of the 13 numbers ?
400
401
402
403
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 car owner buys petrol 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 petrol if he spends Rs. 4000 each year ?
Rs. 7.98
Rs. 8
Rs. 8.50
Rs. 9