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The average age of a group of 12 students is 32 years. Two persons of age 40 years and 31 years, left the group and 2 persons of age 54 years and...
The average number of taxis of three colours (black, white and yellow) in a taxi stand is 100. The number of black taxis is 80 more than that of yellow ...
Out of three numbers the average of the first and the second number is 37 more than the average of the second and the third number. What is the differen...
The average age of a family of 3 members is 36 years. If the father’s age is 10 years more than the mother’s age, and the age of the son is 4 years ...
The average age of a group of 15 students is 32 years. Two persons of age 48 years and 32 years, left the group and 2 persons of age 54 years and 101 ye...
In an examination, the average marks obtained by the students is 75. After correcting the quantitative mistakes, the average of 100 students is reduced ...
The average of two consecutive even numbers is 73. If the smaller number is increased by 40% and the larger number is decreased by 40%, then find the di...
A bowler gives 15 runs per wicket. He gives 30 runs and takes 5 wickets in a last match after which his average becomes 13.5 runs per wicket. How many ...
Anish and Ajay are business partners. Three years ago, their average age was 18 years. Vikas has recently joined them and now the average age of three p...
