Average Practice Question and Answer
8Q: The average of marks obtained by 120 candidates in an examination is 35. The average of marks obtained by passed candidates is 39 and that of for failed candidates is 15. What is the no. of passed candidates? 1751 05d19d8bd1388cd24f0860f10
5d19d8bd1388cd24f0860f10- 1100true
- 2120false
- 3150false
- 4140false
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Answer : 1. "100"
Explanation :
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Q: A team of 8 persons joins in a shooting competition. The best marksman scored 85 points. If he had scored 92 points, the average score for the team would have been 84. The number of points the team scored was
1744 05ffd80ed605e8a6ae8f2a8b2
5ffd80ed605e8a6ae8f2a8b2- 1672false
- 2665true
- 3645false
- 4588false
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Answer : 2. "665"
Q: When the average age of husband, wife and their son was 42 years, the son got married and a child was born just one year after marriage. When the child turned to be 5 years, the average age of the family becomes 36 years. What was the age of daughter-in-law at the time of marriage?
1736 05f2cfeaebe9f31290fb86c32
5f2cfeaebe9f31290fb86c32- 124 yearfalse
- 228 yearfalse
- 330 yearfalse
- 425 yeartrue
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Answer : 4. "25 year"
Q: The average of 8 numbers is 38.4. Out of these numbers, the average of 7 number is 39.2. The 8th numbers
1723 15e96ee4fb0b9ab17e702f0c5
5e96ee4fb0b9ab17e702f0c5- 133.7false
- 231.5false
- 335.2false
- 432.8true
- 534.5false
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Answer : 4. "32.8 "
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?
1721 05f97f373f6ce7f2367fe01c5
5f97f373f6ce7f2367fe01c5- 128false
- 229true
- 326false
- 427false
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Answer : 2. "29"
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? 1720 05d19d83d1388cd24f0860f0b
5d19d83d1388cd24f0860f0b- 120false
- 230false
- 340true
- 450false
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Answer : 3. "40"
Explanation :
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Q: The average weight of a group of 20 boys was calculated to be 89.4 kg and it was later discovered that one weight was misread as 78 kg instead of 87 kg. The correct average weight is
1716 05f2a74fdcef453383f1e6311
5f2a74fdcef453383f1e6311- 189.55 kgfalse
- 289.85 kgtrue
- 388.95 kgfalse
- 489.25 kgfalse
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Answer : 2. "89.85 kg"
Q: A man spends Rs. 1800 monthly on an average for the first four months and Rs. 2000 monthly for the next eight months and saves Rs. 5600 a year. His average monthly income is
1712 05f3f8bcf54900c5349e2d832
5f3f8bcf54900c5349e2d832- 1Rs. 2000false
- 2Rs. 2200false
- 3Rs. 2400true
- 4Rs. 2600false
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