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The correct answer is B
The average age of a group of 70 students is 13 years. If 3 students whose ages are 15 years, 21 years, and _____ years are replaced by 3 new students w...
The average weight of 7 boxes P, Q, R, S, T, U and V is 72kg. Another box A is added to group and the average now becomes 70kg. If another box C whose ...
There are 15 numbers such that average of first 12 numbers is 30 while the average of last five numbers is 48. Find the 12th number, if the ratio betwee...
Average run scored by a batsman in 20 innings is 60. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases ...
The average weight of 6 people is 80 kg. When two new people with their weights in the ratio 2:3 joined the group, the average weight of all the people ...
The average age of a group of 10 students is 20 years. Two persons of age 25 years and 20 years, left the group and 2 persons of age 26 years and...
Each side of a rhombus is 20cm long and the length of one of its diagonals is 24cm, then find the area of the rhombus.
The average weight of 16 people increases by 500 grams when two individuals, each with an average weight of 40 kg, are added. What is the new average we...
Each question contains a statement followed by Quantity I and II. Read the information clearly and answer your questions accordingly.
Quant...
The average of 12 numbers is 120. The average of the first 7 numbers is 75 and the average of the last 4 numbers is 53. What is the 8th number?