Question
Sandhya started walking from her college
towards South. Then she turned to left. After walking a while she turned to her left and walked a certain distance. In which direction she is moving now?Solution
The average age of 4 children in a family is 30% of the average age of the mother and the youngest child. The total age of the father and the eldest chi...
There are 40 elements in a data set and their average is 75. If every element is scaled by a factor of 12, compute the new average.
Average weight of a team of 8 persons is 50 kg. When one more person joins the team, the average weight of the team increases by 7 kg. Find the weight o...
Ram scored an average of 5 goals per match in his first four games. However, he didn't score any goals in the following three matches. How many goals do...
The average age of husband, wife and their child 4 years ago was 26 years and that of wife and the child 5 years ago was 25 years. The present age of th...
- What is the average of the squares of the first 19 natural numbers?
A number is such that when it is multiplied by 4, it gives another number which is as much above from 180 as the original number (itself) is below 180. ...
- The average age of a team of 20 men is 36 years. If the total age of a group of 16 women is 20% less than the total age of the team of men, then what is th...
Five friends each contributed Rs. 70. If the sixth friend gives Rs. 50 more than the average contribution of all six, how much did the sixth friend cont...
The average of n numbers is 66. If each of 54% of the numbers is increased by 13 and each of the remaining numbers is decreased by 12, then the n...
Relevant for Exams:
