SIMILARLY, 
In a group of 3 numbers, the 1st is double of 2nd and half of third. If the average of the three numbers is 56 then find the difference between t...
The average age of a class of 20 girls is 12 years. If 4 new girls having average age of 9 years join the class, then the average age of the class becomes:
The average number of taxis of three colours (black, white and yellow) in a taxi stand is 140. The number of black taxis is 24 more than that of yellow ...
The average weight of a group of 5 men increases by 2 kg when a new person weighing 78 kg joins the group. What was the average weight of the group befo...
Average run scored by a batsman in 14 innings is 80. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases ...
The average wage of a group of 44 labourers is Rs. 250. If 4 persons receiving average wage of Rs. 275 leave the group and 2 persons receiving average w...
In a company, the average age of 40 employees is 20 years. When the ages of two managers, one 'a' years old and the other 'a + 10' years old, are includ...
The average of n numbers is 60. If each of 55% of the numbers is increased by 16 and each of the remaining numbers is decreased by 12, then the n...
The average of a set of 25 numbers is 98. For the first 14 numbers, the mean is 84, and for the last 8 numbers, the mean is 112. ...
The average of four numbers is 90. Two of the numbers are equal (not least), and 40 more than the least number. If the 4th number is five times the leas...
