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

The average height of 30 boys out of a class of 50 is 160 cm. If the average height of the remaining boys is 165 cm, the…

The average age of 11 players of a cricket team decreases by 2 months when two new players are included in the team repl…

The mean of 100 items was 46. Later on it was discovered that an item 16 was misread as 61 and another item 43 was misre…

Average of ten positive numbers is $$\overline x $$. If each number is increased by 10%, then $$\overline x $$ -

The average weight of 12 parcels is 1.8 kg. Addition of another new parcel reduces the average weight by 50 gm. What is …

A cricketer has a mean score of 60 runs in 10 innings. Find out how many runs are to be scored in the eleventh innings t…

My Scooty gives an average of 40 kmpl of petrol. But after recent filling at the new petrol pump, its average dropped to…