The average of x<sub>1</sub>, x<sub>2</sub>, x<sub>3</sub> and x<sub>4</su…

The average score of a class of boys and girls in an examination is A. The ratio of boys and girls in the class is 3 : 1…

Company C sells a line of 25 products with an average retail price of Rs. 1200. If none of these products sells for less…

The average age of A, B, C, D and E is 40 years. The average age of A and B is 35 years and the average of C and D is 42…

What is the average of the first six (positive) odd number each of which is divisible by 7?

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 …

A man bought 13 articles at Rs. 70 each, 15 at Rs. 60 each and 12 at Rs. 65 each. The average price per article is -

Average of first five odd multiples of 3 is -