Q : The average score obtained by Sandeep in 12 Tests is 25. Rumella has an average of 23 marks so far, but has competed in only 8 Tests. What average will Rumela have to earn in the remaining 4 Tests to be equal to Raghuveer's average?
(A) 28
(B) 29
(C) 26
(D) 27
One boy from a group of eight boys left and a new boy with a weight of 56 kg joined the group, which resulted in an average weight of 2.5 kg has increased, what is the weight of the new boy?
(A) 38.5 Kg
(B) 38 Kg
(C) 36.5 Kg
(D) 36 Kg
A batsman makes a score of 87 runs in the 17th match and thus increases his average by 3. Find his average after 17th match.
(A) 36
(B) 37
(C) 38
(D) 39
The average age of 30 students is 9 years. If the age of their teacher is included, the average age become 10 years. The age of the teacher ( in years ) is
(A) 34 years
(B) 36 years
(C) 37 years
(D) 40 years
The average of 24 number is 65. The average of first 11 number is 67 and the average of last 10 number is 70. If the 12th Number is 13 less than the 13th number , and the 14th number is one more than the 13th number, then the average of 12th and 14th number is:
(A) 24
(B) 36
(C) 39
(D) 42
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