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What will be the average of 1,2,3,4……,51...

What will be the average of 1,2,3,4……,51,52,53?

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In a class there are 32 boys and 28 girls.The average age of the boys in the class is 14 years and the average age of the girls in the class is 13 years.What is the average age of the whole class (rounded to two digits after decimal)? (a) 12.51 (b) 13.42 (c) 13.50 (d) 13.53 (e) None of these

ARIHANT SSC-AVERAGE -EXERCISE HIGHER SKILL LEVEL QUESTION
  1. What will be the average of 1,2,3,4……,51,52,53?

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  2. A has double the money of B and B has 50% more money than C. If averag...

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  3. A cricketer scored some runs in his continuous 9 innings. He scored 10...

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  4. Three year ago, the average age of a family of five members was 27 yr....

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  5. Average weight of three boys P,T and R is 54 (1)/(3) kg. while the ave...

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  6. The average runs scored by a cricketer in 42 innings, is 30. The diffe...

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  7. The average age of 5 sisters is 20 yr. If the age of the youngest sist...

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  8. The average marks obtained by 120 students in an examination is 30. If...

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  9. A cricketer played 80 innings and scored an average of 99 runs. His sc...

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  10. Ifx+ y + z =13,then the maximum value of(x -2)(y+ 1) (z - 3) is

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  11. A class is divided into two sections A and B . Passing average of 20 s...

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  12. The average age of 4 members of a family is 20 yr . If youngest member...

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  13. The arithmetic mean of the scores of a group of students in a test ...

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  14. A car reached Rajpur from somgarh in 35 min with an average speed of 6...

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  15. The average weight of 4 men A, B, C and D is 67 kg. Another man E joi...

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  16. 3yr ago, the average age of family of 5 members was 17yr . Even after ...

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  17. The average age of three boys is 15yr . If the ratio of their ages is ...

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  18. 5 yr ago, the average age of Rashmi and Surbhi was 20 yr. Now, the ave...

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  19. The average weight of 60 students in a class was calculated to be 40 k...

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  20. A person bought some oranges worth Rs36 from each of the five markets ...

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  21. Average of a,b and c is 11 ,average of c ,d and e is 17 , average of e...

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