Average Quiz
What is the average of the first 9 multiples of 3?
- 15
- 20
- 25
- 30
The correct answer is 15.
45 kg weight is the average of A, B, and C. If the given condition of weight is 40 kg as the average of A and B while B and C have the average weight of 43 kg. Find out the weight of B?
- 123 kg
- 84 kg
- 31 kg
- 65 kg
The correct answer is 31 kg.
56 is the mean weight of 120 students in the second year. We find that 50 kg is the average of girls and 60 kg is the average of boys’ weight. Find out the number of boys and girls in the second year.
- 72 and 48
- 34 and 23
- 45 and 42
- 56 and 34
The correct answer is 72 boys and 48 girls.
42 years is the average age of father, mother, and son. After the marriage of the son, a child was born. 36 years is the average age of the family if at that time the child’s age is 5 years. Find out the age of the daughter-in-law at the time of marriage?
- 25 years
- 27 years
- 31 years
- 26 years
The correct answer is 25 years.
Find out the total value of 6 numbers if 45 is the arithmetic mean of 6 numbers.
- 230
- 220
- 210
- 270
The correct answer is 270.
Find out the number of papers in exams if 63 is the average marks in exams. 65 marks will be the average if 20 marks were obtained in Geography and 22 marks in History.
- 11
- 34
- 45
- 36
The correct answer is 11 papers.
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