Average Questions Practice Question and Answer
8 Q: The average weight of 15 oarsmen in a boat is increased by 1.6 kg when one of the crews, whose weighs 42 kg is replaced by a new man. Find the weight of the new man (in kg).
1302 05f479a3809e4377de945ee30
5f479a3809e4377de945ee30- 166true
- 243false
- 367false
- 465false
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Answer : 1. "66"
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?
1293 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.
1274 0649e7ef046047484bc7db832
649e7ef046047484bc7db832- 151false
- 252true
- 349false
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Answer : 2. "52"
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.
1274 05eb4f8d14080050ac264c09f
5eb4f8d14080050ac264c09f- 180false
- 283false
- 390false
- 474true
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Answer : 4. "74 "
Q: The average of the squares of first ten natural numbers is
1273 05f294670a5ce9779bd25791b
5f294670a5ce9779bd25791b- 137.5false
- 238.5true
- 335.5false
- 436false
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Answer : 2. "38.5"
Q: 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? 1268 05d19d2be1388cd24f0860ef5
5d19d2be1388cd24f0860ef5- 14 yearsfalse
- 23 yearsfalse
- 32 yearsfalse
- 41 yearstrue
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Answer : 4. "1 years"
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?
1262 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: 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? 1258 05d19dded7619fe30b9d345a3
5d19dded7619fe30b9d345a3- 130false
- 236false
- 346false
- 460true
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Answer : 4. "60"
Explanation :
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