The average of 11 numbers is 10.9. If the average of first six is 10.5 and that of the last six is 11.4 the sixth number is_____________?

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The average of first ten prime numbers which are odd is____________?

A. 12.9 B. 13.8 C. 15.8 D. 17 Explained by: M. Zeeshan Saleem...

The average age of a husband and a wife is 23 years when they were married five years ago but now the average age of the husband, wife and child is 20 years(the child was born during the interval). What is the present age of the child?

A. 1 year B. 2 years C. 3 years D. 4 years...

The average of four positive integers is 69. The highest integer is 93 and the least integer is 39. The difference between the remaining two integers is 28. Which of the following integers is the higher of the remaining two integers?

A. 58 B. 86 C. 49 D. None of these...

Sarfaraz obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks?

A. 65 B. 69 C. 72 D. None of these...

The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is___________?

A. 17 kg B. 20 kg C. 26 kg D. 31 kg...