Average of 20 numbers is 90. Average of first 8 numbers is 125 while average of last nine numbers is 40. If ninth number is 25% less than the tenth numb...
Average weight of each student, in a class of 70 students, is 86kg. If the ratio of number of boys and girls in the class is 4:3, respectively and avera...
Average age of company A is 23 years and average age of both companies A and B is 15 years. If the ratio of number of employees in company A and B is 3:...
The average of 8 consecutive even numbers written in ascending order is 17. What is the average of the last three numbers, 36 and 53 ?
The income of B is 85% of A and income of C is Rs 3600 more than that of B. The average income of all three together is Rs. 8400. A and B spend 50% of t...
Find the average of the following sets of numbers.
693, 456, 876, 532, 934, 691, 596, 398, 682
The average of n numbers is 62. If each of 55% of the numbers is increased by 18 and each of the remaining numbers is decreased by 12, then the n...
Anil bought 27 notebooks for Rs.1280 from shop A and 20 notebooks for Rs.1211 from shop B. What is the average price he paid per book?
The average number of books sold by Viren in first 4 months is 3600 and in first 5 months is 4200. If the number of books sold by him in 6th ...
What is the average of odd numbers greater than 10 but less than 30?
