Six tables and twelve chairs were bought for Rs. 7800. If the average price of a table is Rs. 750, then the average pric…

The average of five consecutive numbers is x. If the next two numbers are included, how shall the average vary?

In a family, the average age of a father and a mother is 35 years. The average age of the father, mother and their only …

The average expenditure of a man for the first five months Rs. 1200 and for the next seven months is Rs. 1300. If he sav…

The average age of a family of 5 members is 20 years. If the age of the youngest member be 10 years then what was the av…

Out of 9 persons, 8 persons spent Rs. 30 each for their meals. The ninth one spent Rs. 20 more than the average expendit…

The average (arithmetic mean) of 3<sup>30</sup>, 3<sup>60</sup> and 3<sup>90</sup> i…

The average weight of a group of 75 girls was calculated as 47 kgs. It was later discovered that the weight of one of th…