The body weight of seven students of a class is recorded as 54 kg, 78 kg, 43 kg, 82 kg, 67 kg, 42 kg and 75 kg. What is …

The average height of 25 boys is 1.4 m. When 5 boys leave the group, then the average height increased by 0.15 m. What i…

The average wages of a worker during a fortnight comprising 15 consecutive working days was Rs.90 per day. During the fi…

If a, b, c, d, e are five consecutive odd numbers, their average is

The average monthly income of a family of four earning members was Rs. 15130. One of the daughters in the family got mar…

The average of 6 observations is 45.5. If one new observation is added to the previous observations, then the new averag…

The average of some natural numbers is 15. If 30 is added to the first number and 5 is subtracted from the last number t…

The average of 5 consecutive integers starting with 'm' is n. What is the average of 6 consecutive integers starting wi…