Average Questions Practice Question and Answer
8Q: Average age of a couple before 4 years, at the time of their marriage was 27 years. Now, the average age of the couple including their new born baby is 21 years. Find the present age of the baby? 1492 05d19d2be1388cd24f0860ef5
5d19d2be1388cd24f0860ef5- 14 yearsfalse
- 23 yearsfalse
- 32 yearsfalse
- 41 yearstrue
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Answer : 4. "1 years"
Q: The average of seven numbers is 18. If one of the number is 17 and if it is replaced by 31, then the average becomes:
1490 05f2a7ddc7079852b553cc9c8
5f2a7ddc7079852b553cc9c8- 120true
- 221false
- 321.5false
- 419.5false
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Answer : 1. "20 "
Q: 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?
1484 05f2a5f24cef453383f1e38ad
5f2a5f24cef453383f1e38ad- 165%false
- 270%false
- 340%false
- 460%true
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Answer : 4. "60% "
Q: The average of nine numbers is 30. The average of first five numbers is 25 and that of for last three numbers is 35, then what will be sixth number? 1480 05d19d83d1388cd24f0860f0b
5d19d83d1388cd24f0860f0b- 120false
- 230false
- 340true
- 450false
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Answer : 3. "40"
Explanation :
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Q: The average of three numbers is 40. First of them is two times of the seconds and the second is three time of the third. So, what is the difference between the largest and smallest number? 1474 05d19dded7619fe30b9d345a3
5d19dded7619fe30b9d345a3- 130false
- 236false
- 346false
- 460true
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Answer : 4. "60"
Explanation :
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Q: If the average marks obtained by Balu, Benjamin and Babur is 80 and the average marks of Benjamin and Babur is 83, find marks obtained by Balu.
1467 05eb4f8d14080050ac264c09f
5eb4f8d14080050ac264c09f- 180false
- 283false
- 390false
- 474true
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Answer : 4. "74 "
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?
1460 05f97f373f6ce7f2367fe01c5
5f97f373f6ce7f2367fe01c5- 128false
- 229true
- 326false
- 427false
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Answer : 2. "29"
Q: The average marks obtained by Saloni in four papers is 51, and in the fifth paper she gets 56 marks. Find her new average in all five papers.
1458 0649e7ef046047484bc7db832
649e7ef046047484bc7db832- 151false
- 252true
- 349false
- 450false
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