Average Questions Practice Question and Answer
8 Q: The average age of three boys is 15 years if their ages are in the ratio 3 : 5 : 7, what will be the age of the youngest boy?
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630dea1a2e7d080bd2866684- 14false
- 29true
- 33false
- 48false
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Answer : 2. "9"
Q: Average weight of 25 students of a class is 50 kg. If the weight of the class teacher is included, the average is increased by 1 kg. The weight of the teacher is
610 06401b3c195361d30f87836be
6401b3c195361d30f87836be- 176 kgtrue
- 277 kgfalse
- 374 kgfalse
- 475 kgfalse
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Answer : 1. "76 kg "
Q: The average weight of 12 parcels is 1.8 kg. Addition of another new parcel reduces the average weight by 50 g. What is the weight of the new parcel?
608 06220ea11b407d04826536d25
6220ea11b407d04826536d25- 11.50 kgfalse
- 21.10 kgfalse
- 31.15 kgtrue
- 41.01 kgfalse
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Answer : 3. "1.15 kg "
Q: If the average marks of three batches of 30, 50 and 70 students is 55, 70 and 70 respectively, then the average marks of all the students is:
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64660704f75f230a7a80a688- 167true
- 266.50false
- 369false
- 468.75false
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Answer : 1. "67"
Q: There are two groups A and B of a class, consisting of 42 and 28 students respectively. If the average weight of group A is 25 kg and that of group B is 40 kg, find the average weight of the whole class.
603 06401b25a86fd4161466cd736
6401b25a86fd4161466cd736- 169 kgfalse
- 231 kgtrue
- 370 kgfalse
- 430 kgfalse
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Answer : 2. "31 kg "
Explanation :
Q: The heights of six people are given as 6 feet 6 inches, 6 feet, 5 feet 8 inches, 6 feet 2 inches, 6 feet 4 inches, and 5 feet 10 inches, respectively. Find the average height of these six people.
593 0643d131a19f0af16e38b95a4
643d131a19f0af16e38b95a4- 16 feet 4 inchfalse
- 26 feetfalse
- 36 feet 1 inchtrue
- 46 feet 6 inchfalse
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Answer : 3. "6 feet 1 inch"
Q:Answer the following questions
In an exam of 100 marks, the average marks of a class of 40 students are 76. If the top 3 scorers of the class leave, the average score falls “down by 1. If the other two toppers except “the highest topper scored not more than 85. “then what is the minimum score the topper can score?
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63be478f74eba5069d4f68db- 186false
- 298false
- 395true
- 492false
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Answer : 3. "95"
Q: Average age of mother, father and son was 42 at the time of son's marriage. After one year, an infant was born and after 6 rears of marriage the average age of family becomes 36. Find the age of bride at the time of marriage.
579 064104e725bff3d098ddbcf73
64104e725bff3d098ddbcf73- 126 yearsfalse
- 224 yearsfalse
- 325 yearstrue
- 423 yearsfalse
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