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25 Questions

1. The average of six numbers is z and the average of three of these is y. If the average of the remaining three number is w, then which of following holds? 2y+3w
2. The average temperature on Wednesday, Thursday and Friday was 25C.G. The average temperature on Thursday, Friday and Saturday was 24C.G. If the temperature on Saturday was 27C.G. what was the temperature on Wednesday?
3. The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers?
4. The average of 7 consecutive numbers is 20. The largest of these numbers is?
5. The average salary of all the workers in a workshop is Rs.8000. The average salary of 7 technicians is Rs.12000 and the average salary of the rest is Rs.6000. The total number of workers in the workshop:
6. The average weight of 3 males A,Band C is 54 kg, while the average weight of 3 males B, D and E is 53 kg. What is the average weight of A,B,C,Dand E?
7. 40 year is the average of the company. 32 years is the average of the company if 12 new employees also add in this company. Find out the number of employees in the company?
8. The average annual income (in Rs.) of certain agricultural workers is S and that of other workers is T. The number of agriculture workers is 11 times that of other workers. Then the average monthly income (in Rs.) of all the workers is?
9. The average of score of a cricket player of 10 matches was 32. How many runs should he score in his next match so as to increase his average of score by 4?
10. The average score of a cricketer for ten matches is 38.9 runs. If the average for the first six matches is 42, then find the average for the last four s.
11. In a set of 3 numbers, the average of first two numbers is 2, the average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of 3 numbers?
12. The average of four consecutive even numbers is 27. find the largest of these numbers?
13. The difference between two angles of a triangle is 24 degree.. The average of the same two angles is 54 degree .Which one of the following is the value of the greatest angle of the triangle?
14. When a employee weighing 45 kgs left a Company, the average weight of the remaining 59 employees decreased by 200 g. What is the average weight of the remaining 59 employees?
15. The sum of three consecutive odd numbers is 38 more than the average of these numbers. What is the first of these numbers?
16. A family consists of grandparents, parents and three grandchildren. The average age of the grandparents is 67 years, that of the parent is 35 years and that of the grandchildren is 6 years. What is the average age of the family?
17. A cricketer has an average score of 58 runs in nine innings. Find out how many runs are to be scored by him in the tenth innings to have an average of 61.
18. Dipa finds the average of 10 two 2 digit numbers. If she interchanges the digits of one number (like 18 for 81) she finds average decreases by 1.8 from original. What was the difference of the two digits of the number?
19. Of the 3 numbers, the first is twice the second and the second is twice the third. The average of the reciprocal of the numbers is 7/72 .The numbers are:
20. Find the average of all prime numbers between 30 and 50?
21. 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 average age of the family at the time of the birth of the youngest member?
22. A Batsman makes a score of 87 runs in the 17th inning and so increases his average by 3. Find his average after 17th inning.
23. Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44.Find the largest number.
24. The average of 25 result is 18.The average of 1st 12 of them is 14 & that of last 12is 17. Find the 13th result.
25. The mean of five numbers is 28. If one of the numbers is excluded, the mean gets reduced by 2. Find the excluded number.

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