The average price of three items of furniture is Rs. 15000. If their prices are in the ratio 3 : 5 : 7, the price of th…

The average of 2, 7, 6 and x is 5 and the average of 18, 1, 6, x and y is 10. What is the value of y?

A pupil’s marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increase…

The average of the ages of Sumit, Krishna and Rishabh is 43 and the average of the ages of Sumit, Rishabh and Rohit is 4…

In a pre school, the average weight of 30 girls in a class among 50 students is 16 kg and that of the remaining students…

The average of x numbers is y<sup>2</sup> and the average of y numbers is x<sup>2</sup>. So, th…

Eight consecutive numbers are given. If the average of the two numbers that appear in the middle is 6, then the sum of t…

A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must …