Averages Quiz 6 March 28, 2012 by kumar 2 Comments 1. Average of 10 positive numbers is n.If each number increases by 10% then nA. decrease by 10%B. Increase by 20%C. increase by 10%D. decrease by 20% 2. The mean of 30 values was 150.It was detected on rechecking that one value 165 was wrongly copied as 135 for the computation of the mean.What is the correct mean?A. 151B. 141C. 145D. 165 3. The mean of first 5 prime number isA. 5.6B. 5.7C. 5.2D. 5 4. Prasanna walks from X to Y at a speed of 4 km/hr and returns at a speed of 3 km/hr.The average speed of the whole journey isA. 4 kmphB. 3 3/5 kmphC. 3 3/7 kmphD. 4 kmph 5. what is the average of all numbers between 6 and 34 which is divisible by 5A. 15B. 30C. 20D. 25 6. The average of 6 numbers is 12.If each number is decreased by 2.The average of new number set isA. 15B. 20C. 9D. 10 7. Lakshman in his 17th innnings makes a score of 85,and there by increases his average after the 17th innings.When he had never been 'not out'?A. 41 runsB. 37 runsC. 45 runsD. 50 runs 8. The average salary of 20 workers in a factory is Rs.1900 per month.If the manger salary is added ,the average salary becomes Rs.2000 per month.What is the manager's salary? A. Rs.2500B. RS.3000C. Rs.3500D. Rs.4000 9. A person spends on an average Rs.269.47 for the first 7 months and Rs.281.05 for next 5 months.Find his monthly salary if he saves rs.308.46 during the whole year? A. Rs.400B. RS.300C. RS.500D. Rs.600 10. A Train goes from X to Y at the rate of 60 km/hr and return from Y to X at the rate of 50 km/hr.What is the average speed of the train?A. 45 km/hrB. 54 6/11 km/hrC. 45 7/9 km/hrD. 54 2/9 km/hr 11. The average marks of krishna in maths and english is 55.His average of marks in maths and science is 65.What is the difference between the marks which he obtained in english and science?A. 20B. 40C. 15D. 30 12. If a1,a2,a3,a4 and a5 are consecutive odd numbers,then their average is A. a1B. a3C. a5D. a4 13. 11 numbers average is 30.If the average of the first 5 numbers is 25 and that if the last five numbers is 28,then the 6th number is A. 45B. 35C. 67D. 65 14. The average age of a family is 25 yrs.the oldest man leaves the family with 45 years,find the new average age?A. 44 yrsB. 20 yrsC. 21 yrsD. 33 yrs 15. The average of consecutive natural number from 1 to 49 isA. 24B. 25C. 30D. 40 Related posts: Averages Quiz 1 Averages Quiz 2 Averages Quiz 3 Averages Quiz 4 Averages Quiz 5

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Pushpita Das says

Hello! Your website is really very helpful but I need a little more help from you.I need the explanations of the problems including Data Interpretation, Reasoning(High Level)of SBI PO exam 2013.