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The correct answer is A
30 students go for a picnic. 15 of them spent Rs. 64 each on their food and rest spent Rs.5 more than the average expenditure of all 30. What was the to...
The average of 8 numbers is 22. When two new numbers 'p' and 'q' are added, the average increases by 3. If p - q = 10, find the value of q.
Find the average of five numbers a, b, c, d and e such that b = 20, and a is 20% more than that of ‘b’. ‘c’ is 10 less than &ls...
In an examination the average marks of Rohit is 65. If he got 15 more marks in science and 25 more marks in maths then his average would have been 70. F...
The average age of 15 children and their teacher's age are 12 years. If the teacher's age is excluded, the average reduces by 2. What is the teacher's age?
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 cost of three chairs is Rs.12000. The average cost decrease by 18% when one more chair is included. What is the cost price of the 4th
The average of 7 consecutive numbers is 20. The largest of these numbers is
The average height of each student in a class of 20 students is 125 cm. If 10 new students joined the class, then the average height of the each student...
The average of ten numbers is A. If c is subtracted from each number except the tenth and (c-1) is subtracted from the tenth number, then what will be t...
