Average Practice Question and Answer
8 Q: In a school with 600 students the average age of the boys is 12 years and that of the girl is 11 years. If he average age of the students is 11 years 9 months, then the number of girls in the school is
1805 06022727ead295556282ad20f
6022727ead295556282ad20f- 1150true
- 2250false
- 3350false
- 4450false
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Answer : 1. "150"
Q: The average of 11 results is 50. If the average of first six results is 49 and and that of last six is 53, find the sixth result? 1800 05d19cc8e7619fe30b9d34583
5d19cc8e7619fe30b9d34583- 156false
- 262true
- 350false
- 458false
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Answer : 2. "62"
Explanation :
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Q: Find the average of the following sets of numbers.
693, 456, 876, 532, 934, 691, 596, 398, 682
1780 064b4f2b0568e7ff594af0d04
64b4f2b0568e7ff594af0d04- 1550.50false
- 2750.80false
- 3650.89true
- 4725.90false
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Answer : 3. "650.89"
Q: The average daily income of A, B and C is Rs.450. If the average daily income of A and B is Rs.400. B and C is Rs.430; then the daily income of B will be- 1770 05d19db257619fe30b9d3459e
5d19db257619fe30b9d3459e- 1Rs.300false
- 2Rs.310true
- 3Rs.415false
- 4Rs.425false
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Answer : 2. "Rs.310"
Explanation :
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Q: Average of 11 number is 30. If the average of first 10 numbers is 22, then find the 11th number?
1752 0601a4d238f9c7c5b6d8f0c69
601a4d238f9c7c5b6d8f0c69- 1215false
- 2110true
- 3105false
- 490false
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Answer : 2. "110"
Q: Find the average of the following set of numbers 148, 88, 184, 166, 96, 122
1718 05e6c90218fcee56af205b0c9
5e6c90218fcee56af205b0c9- 1146false
- 2142false
- 3136false
- 4132false
- 5None of thesetrue
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Answer : 5. "None of these"
Q: In the afternoon, a student read 100 pages at the rate of 60 pages per hour. In the evening, when she was tired, she read 100 more pages at the rate of 40 pages per hour. What was her average rate of reading the pages per hour?
1707 05f2a82b5a5ce9779bd296c40
5f2a82b5a5ce9779bd296c40- 148true
- 250false
- 360false
- 470false
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Answer : 1. "48 "
Q: Subjects, there were 9 boys and some girls. In a test, the mean score obtained by the boys was 13 while that obtained by the girls was 15. If the overall average was 14.28, what was the total number of students in the class?
1702 05dc118bcb0e9c27a7e27c0d7
5dc118bcb0e9c27a7e27c0d7- 124false
- 226false
- 327false
- 425true
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