The correct answer is C
Average of 22 numbers is 58. If the average of the first eight and last seven numbers is 65.5 and 48.5 respectively, and if the eleventh number is 35% m...
The average number of books sold by Viren in first 3 months is 3000 and in first 4 months is 3800. If the number of books sold by him in 5th ...
The average age of three children is 14 years. If their ages are in the ratio 1:2:3. Find the age of the youngest child.
The average weight of 4 persons is 56 kg. The heaviest person’s weight is 30 kg more than the lightest person’s weight. If the average weight of the...
The average of 30 numbers is 55. The average of the first 15 numbers is 50 and the average of the last 12 numbers is 55. What is the average of 68, 74 a...
Average run scored by a batsman in 18 innings is 60. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases ...
Ashish bought 25 notebooks for Rs.1230 from shop A and 12 notebooks for Rs.805 from shop B. What is the average price he paid per book?
Average of four consecutive prime numbers S1, S2, S3, and S4 is (16 + x). If the average of S1 and S2 is (12 + x) and the average of S3 and S4 is (12 + ...
The mean of a set of 15 numbers is 40. If the mean of the initial 5 numbers in this set is represented by the expression (12x + 10), and the mean of the...
The average weight of a group of 30 employees is 65 kg. If an additional five employees, each with an average weight of 72 kg, are added to the group, w...
