Average Questions for Bank exams

Average Related Questions with Answers

Q.11. The average of marks scored by the students of a class is 68. The average of marks of the girls in the class is 80 and that of the boys is 60. What is the percentage of boys in the class?

(A) 40%

(B) 60%

(C) 65%

(D) 70%

Q.12. The average weight of 15 students in a class increases by 1.5 kg when one of the student weighing 40 kg is replaced by new student. What is the weight (in kg) of the new student?

(A) 64.5kg.

(B) 56 kg.

(C) 60 kg.

(D) 62.5 kg.

Q.13. There are 50 students in a class. There average weight is 45 kg. When one student leaves the class the average weight reduces by 100g. What is the weight of the student who left the class ?

(A) 45 kg.

(B) 47.9 kg.

(C) 49.9 kg.

(D) 50.1 kg.

Q.14. The average weight of 12 crewmen in a boat is increased by $${1\over 3}$$kg, when one of the crewmen whose weight is 55 kg is replaced by new man. What is the weight of that new man?

(A) 58 kg

(B) 60 kg

(C) 57 kg

(D) 59 kg

Q.15. Average age of 8 men is increased by 3 years when two of them whose age are 30 and 34 years are replaced by 2 persons. What is the average age of the 2 persons?

(A) 24 years

(B) 32 years

(C) 44 years

(D) 48 years

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