The correct answer is D
The mean weight of 24 men is 45 kg, while the mean weight of 18 women is 40 kg. Calculate the combined average weight of all the ...
The ratio of number of girls to number of boys is 3: 2 in a class of 70 students. The average marks scored by the boys in Physics is 72 and the average...
Average marks scored by Vineet in five subjects are 80. The average marks scored by him (excluding his highest and lowest marks) are 72 and lowest marks...
The average age of 12 boys in the group is 9 years. If 2 more boys join the group, the average is increased by 1 year. What is the average age (in years...
The average age of six members of a family is 40 years. If the age of a guest is included, then the average age increases by 12.5%. What is the age (in ...
The average of five consecutive odd numbers is 77. What is the average of the first three numbers among them?
Average 20 numbers is ‘x’. If the average of first 12 numbers is 62.5 while average of last 5 numbers is 84.8 and 13th, 14th...
The average age of a group of persons going for tour to Shimla is 22 years. 25 new persons with an average age of 10 years join the group and their aver...
Average of four numbers is 28. Sum of smallest and largest number is 57. If difference between other two numbers is 1, then find the square of second sm...
Fifteen movie theatres average 600 customers per theatre per day. If six of the theatres close down but the total theatre attendance stays the same, the...
