Find the average of the following set scores. 450, 1050, 12, 390, 143, 286, 550, 999

Required average = (450+1050+12+390+143+286+550+999)/8 = 485

- Komal bought 20 kg rice for Rs 30 per kg, b kg rice for Rs 35 per kg and (b + 4) kg rice for Rs 25 per kg. She mixed all type of rice together and the average cost price of 1 kg rice is Rs 29.6. Find the quantity of rice that is bought at Rs 25 per kg.
- A bowler gives 16.2 runs per wicket. He gives 40 runs and takes 4 wickets in a last match after which his average becomes 15.4 runs per wicket. How many wickets had been taken by him before the last match?
- A well with 42 m inside diameter is dug 14 m deep. Soil taken out of it has been evenly spread all around it to a width of 21 m to form an embankment. Find the height of the embankment.
- The average age of A and B is 18 years. If A is to be replaced by C, the average would be 17 years. The average age of C and A is 19 years. Find the age of A.
- The average age of 23 children and their teacher's age are 21 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
- A number is such that when it is multiplied by 9, it gives another number which is as much above from 420 as the original number (itself) is below 420. The average of the original number and the resultant number is:
- The average cost of three chairs is Rs.16000. The average cost decrease by 20% when one more chair is included. What is the cost price of the 4
^{th}chair? - A number is such that when it is multiplied by 4, it gives another number which is as much above from 180 as the original number (itself) is below 180. The average of the original number and the resultant number is:
- In an examination, the average marks obtained by the students is 40. After correcting the quantitative mistakes, the average of 50 students is reduced to 30 from 40 and the overall average of the student is reduced to 35. Then find the total number of students who participated in that examination.
- Out of three numbers the average of the first and the second number is 37 more than the average of the second and the third number. What is the difference between the first and the third number?

More Average Questions

×