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Ram, Shyam, Rohan, Reeta, and Mukesh are five members of a family who are weighed consecutively, and their average weight is calculated after each membe...
There are 15 natural numbers whose average is 30.6. The average of the first 8 numbers is 28, and the average of the last 8 numbers is 33. Find the eigh...
The average age of three children is 20 years. If their ages are in the ratio 1:2:3. Find the age of the youngest child.
The average of 12, 33, and x is 25. What is the value of x?
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...
The average age of A and B is 22 years. If A is to be replaced by C, the average would be 20 years. The average age of C and A is 23 years. Find the age...
The average of 18 numbers is 36. If 4 is added to each number, then the new average will be:
Average of 8 numbers is 80. If average of first four and last two numbers is 80 and 60, respectively then find the fifth number given that ratio of fift...
The average of 10 numbers is 18. When two new numbers 'a' and 'b' are added, the average increases by 2. If a - b = 30, find the value of b.
The average age of a group of 10 students is 30 years. Two persons of age 40 years and 35 years, left the group and 2 persons of age 50 years and 95 yea...