Average Questions Practice Question and Answer
8 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.
1572 0649e7ef046047484bc7db832
649e7ef046047484bc7db832- 151false
- 252true
- 349false
- 450false
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Answer : 2. "52"
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:
1568 05f2a7ddc7079852b553cc9c8
5f2a7ddc7079852b553cc9c8- 120true
- 221false
- 321.5false
- 419.5false
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Answer : 1. "20 "
Q: The average of x numbers is 48. If of the numbers are increased by 51 each and remaining are decreased by 71 each, then what is the new average?
1568 0605868aed2ebd403fd28aae5
605868aed2ebd403fd28aae5- 151true
- 249false
- 350false
- 446false
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Answer : 1. "51"
Q: The average of first three numbers is three times of the fourth number. If the average of all four numbers is 5, then find the fourth number. 1567 05d19dc981388cd24f0860f15
5d19dc981388cd24f0860f15- 14.5false
- 25false
- 32false
- 44true
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Answer : 4. "4"
Explanation :
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Q: A car travel to a place 150 km away at an average speed of 50 km/hr and returns it 30 km/hr. What is the average speed of the whole journey?
1557 15f4f65ee82369c1d61196a3e
5f4f65ee82369c1d61196a3e- 135.5 km/hrfalse
- 237.5 km/hrtrue
- 340.5 km/hrfalse
- 433.5 km/hrfalse
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Answer : 2. "37.5 km/hr"
Q: Find the average of the following set of numbers.
132, 148, 164, 128, 120, 136
1555 060336416ed952b1532dcf965
60336416ed952b1532dcf965132, 148, 164, 128, 120, 136
- 1138true
- 2144false
- 3142false
- 4136false
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Answer : 1. "138"
Q: 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.
1554 15f4f64d40c72eb234932ccc6
5f4f64d40c72eb234932ccc6- 136false
- 237false
- 338false
- 439true
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Answer : 4. "39"
Q: The average of four consecutive even numbers is 15. The 2nd highest number is:
1552 05f2a7d5e57c6a23ea65da35c
5f2a7d5e57c6a23ea65da35c- 114false
- 216true
- 312false
- 418false
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