Out of 6 numbers, the sum of the first 5 numbers is 7 times the number. If their average is 136, then the 6th number is:
The average cost price of 18 pens (having equal cost price) decreased by Rs.2, when one of the pen is replaced by a new pen having cost price of Rs.74. ...
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 total number of students in class A and B is 72. The number of students in A is 40 more than that in B. The average marks of students in B are 50% m...
The average weight of 4 persons is 36 kg. The heaviest person’s weight is 26 kg more than the lightest person’s weight. If the average weight of the...
The average of 75 percent of x and 48 percent of y is 90. What will be the average of 125 percent of x and 80 percent of y?
2040, 600, 240, 150, ?, 121.875
Average age of A, B and C is 20 years. Average age of B and C was 12 years when A was born. If B is 21 years old, then, find the age of C, 6 years hence.
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?
The average weight of 4 persons is 66 kg. The heaviest person’s weight is 32 kg more than the lightest person’s weight. If the average weight of the...
