The correct answer is D
The average expenditure of a man for the first 7 month is Rs.5000 and for the next 5 months is Rs.8000. If he saves 12000 in that year then find his ave...
The average of five even numbers is 38. If we replace two of these even numbers, 88 and 92, with a single even number X, the new average decreases by 4....
Out of three numbers the average of the first and the second number is 37 more than the average of the second and the third number. What is the differen...
In a College with 1200 students, the average age of the boys is 24 years and that of girls is 17 years. If the average age of the college is 22 years an...
The average weight of three men is increased by 5 kg when one of them, whose weight is 100 kg is replaced by another man. What is the weight of the new ...
Average of 20 numbers is 90. Average of first 8 numbers is 103 while average of last nine numbers is 40. If ninth number is 25% less than the tenth numb...
The average of n numbers is 56. If each of 45% of the numbers is increased by 18 and each of the remaining numbers is decreased by 12, then the n...
A number is such that when it is multiplied by 5, it gives another number which is as much above from 210 as the original number (itself) is below 210. ...
Average age of a class of 33 students is 14 years. Average age of the class is increased by 18 months if the age of the teacher is included. Find the ag...
Determine the number of Girls in a school of 60 Student when you know that the average weight of all Student is 50 kgs, the average weight of boys...
