17 + 1² = 18 18 + 2² = 22 22 + 3² = 31 31 + 4² = 47 47 + 5² = 72 72 + 6² = 108
Average 20 numbers is ‘x’. If the average of first 12 numbers is 72.5 while average of last 5 numbers is 86.8 and 13th, 14th a...
In an election between two candidates, the winner secured a victory margin of 720 votes. If 20% of the total votes polled were de...
Average run scored by a batsman in first ‘x’ matches is 44. In next 8 matches he scored runs with an average of 80 so that his overal...
The average score obtained by 28 students in a class test is 68 marks. The top place was shared by 3 people who got the same score. If the lowest score ...
The certain sum amounts to Rs11313.5 in 2(1/2) years at 12% p.a., interest compounded 10 months. The sum (in Rs) is:
The average cost of three chairs is Rs.10000. The average cost decrease by 10% when one more chair is included. What is the cost price of the 4th
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 age of a group of nine children is 7 years. From the group, three children, whose ages were 3 years more, 2 years more, and 4 years more tha...
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 age of a class of 25 girls is 16 years. If 5 new girls having average age of 10 years join the class, then the average age of the class beco...
