Find the ratio between total books sold from shop C to that of shop B.
Required ratio = (250+150) : (175+225) = 400:400 = 1:1
Out of 4 numbers, the average of first 3 is 19 and last 3 is 20. If the last number is 21. Find the first number?
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...
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...
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 average weight of 7 boxes P, Q, R, S, T, U and V is 72kg. Another box A is added to group and the average now becomes 70kg. If another box C whose ...
In an examination the average marks of Rohit is 54. If he got 18 more marks in science and 22 more marks in maths then his average would have been 58. F...
There are three numbers such that when the average of any of the two numbers is added with the third number, sum obtained will be 130, 142 and 154. Find...
The average cost price of 25 pens (having equal cost price) decreased by Rs.4, when one of the pen is replaced by a new pen having cost price of Rs.60. ...
The average expenditure of a man for the first 8 month is Rs.6000 and for the next 4 months is Rs.8000. If he saves 10000 in that year then find his ave...
Average age of company A is 22 years and average age of both companies A and B is 14 years. If the ratio of number of employees in company A and B is 3:...
