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The correct answer is C
The average income of a group of 30 freelancers is Rs. 500. If 3 freelancers earning an average of Rs. 550 leave the group and 1 freelancer earning Rs. ...
Average of 20 numbers is 90. Average of first 8 numbers is 125 while average of last nine numbers is 40. If ninth number is 25% less than the tenth numb...
The average weight of 15 boys in a group is 48 kg. If the collective weight of 12 girls in another group is 25% lower than that of the boys, what is the...
The average age of A and B is 15 years. If A is to be replaced by C, the average would be 14 years. The average age of C and A is 16 years. Find the age...
The batting average for 27 innings of a cricket player is 48 runs. His highest score in an innings exceeds his lowest score by 157 runs. If these two in...
There are 15 numbers such that average of first 12 numbers is 80 while the average of last five numbers is 110. Find the 12th number, if the ratio betwe...
The university has 750 faculty (male and female only) out of which the females are 60%. The average height of females is 162 cm and that of males is 168...
The average cost of 3 chairs is Rs. 10000. The average cost decrease by 22% when one more chair is included. What is the cost price of the 4th
The average number of books on history, polity and geography in a library is 150, and the average number of books on history and geography is 140. If th...
The average age of a group of 10 friends is 27 years. If one friend leaves the group, the average becomes 25years. Find the age of the friend who left t...
