ATQ, Desired average = {15 x 84 + (83 - 38) - (64 - 46) - (72 - 27)}/15 = 82.8
The average age of 15 children and their teacher's age are 12 years. If the teacher's age is excluded, the average reduces by 2. What is the teacher's age?
The average monthly contribution of 25 members in a project is Rs. 8,400. Following a fee increase, the new monthly average contribution per member is R...
The average of 8 numbers is 12. If the 2 is added in 1st number, 4 is added in 2nd number, 8 is added in 3rd number and in the same way the number are a...
In an examination, the average marks obtained by the students is 75. After correcting the quantitative mistakes, the average of 100 students is reduced ...
Four persons ‘A’, ‘B’, ‘C’, and ‘D’ have different amounts with them. ‘D’ has twice the amount than that of ‘A’. The amount ‘B...
Rohit Sharma scores 93 runs in his 23rd inning, due to this his average increased by 3 runs. Find his current average?
Average marks scored by Vineet in five subjects are 85. The average marks scored by him (excluding his highest and lowest marks) are 65 and lowest marks...
The average cost of 3 chairs is Rs. 10000. The average cost decrease by 22% when one more chair is included. What is the cost price of the 4th
The average age of 6 employees in a company rises by 2 years when a new employee’s age is added. If the sum of the initial average age of the 6 employ...
Average weight of a team of 19 persons is 30 kg. When one more person joins the team, the average weight of the team increases by 3 kg. Find the weight ...