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The correct answer is A
Anish and Ajay are business partners. Three years ago, their average age was 18 years. Vikas has recently joined them and now the average age of three p...
In a school of 50 students, the average score in a French exam is 72 marks, but when one student transferred out and 4 new students joined the school, t...
Average weight of 17 nurses is 48 kg. If the weight of one more nurse is included, then average weight is increased by 1 kg. Find the weight of the newl...
Bag A and Bag B contain balls in the ratio of 7:6, while Bag B and Bag C have balls in the ratio of 2:3. If the average number of balls across all three...
Average age of company A is 28 years and average age of both companies A and B is 20 years. If the ratio of number of employees in company A and B is 3:...
"X" acquired 15 books at a cost of Rs. 840 each and an additional 25 books at a price of Rs. 480 each. Determine the average price per book "X" bought.
The average of 30 numbers is 55. The average of the first 15 numbers is 50 and the average of the last 12 numbers is 55. What is the average of 68, 74 a...
The average age of three children is 16 years. If their ages are in the ratio 1:3:4. Find the age of the youngest child.
There are three numbers. If the average of any two of them is added to the third number, the sums obtained are 177, 163 and 138. Whatis the average of ...
In a factory, the average salary of all employees is Rs. 5600 and the average salary of 24 supervisor is 7200. If the average salary of labours is 4800,...
