Average Problems Practice Question and Answer
8 4 Q:
5ee05f683f1add232d8330fa 4 Q:
5e326ddbd0aa6f23a8fc5141 4 Answer : 2. "62"
4 Answer : 3. "148.4 cm"
4 4 Answer : 3. "56 years "
4 4
Q: The mean of 14 observations is 11. One more observation is included and the new mean becomes 12. The observation is
1264 05ee05f683f1add232d8330fa
5ee05f683f1add232d8330fa- 120false
- 224false
- 326true
- 428false
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- SingleChoice
Answer : 3. "26 "
Q: The average age of 30 boys in a class is 15 years. One boy, aged 20 years, left the class, but two new boys came in his place whose age differs by 5 years. If the average age of all the boys now in the class becomes 15 years, the age of the younger newcomer is:
1775 05e326ddbd0aa6f23a8fc5141
5e326ddbd0aa6f23a8fc5141- 120 yearsfalse
- 215 yearstrue
- 310 yearsfalse
- 48 yearsfalse
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- SingleChoice
Answer : 2. "15 years "
Q: The average of 11 results is 50. If the average of first six results is 49 and and that of last six is 53, find the sixth result? 1384 05d19cc8e7619fe30b9d34583
5d19cc8e7619fe30b9d34583- 156false
- 262true
- 350false
- 458false
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Answer : 2. "62"
Explanation :
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Q: Average height of 40 girls is 148 cm. Average of remaining number is 150 cm. What will be the average of total class if there are 50 girls in the class? 1647 05d19cd2c1388cd24f0860eea
5d19cd2c1388cd24f0860eea- 1148.8 cmfalse
- 2149.2 cmfalse
- 3148.4 cmtrue
- 4144 cmfalse
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Answer : 3. "148.4 cm"
Explanation :
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Q: Average runs of a player in 20 innings is 40.5. His lowest score was 5 and highest was 103. What is the average of remaining inning? 2285 05d19ce677619fe30b9d34588
5d19ce677619fe30b9d34588- 136false
- 238false
- 339true
- 441false
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Answer : 3. "39"
Q: Average age of 12 men is 56 years. Two members of 60 years and 52 years die. What will the average age of the remaining members? 1330 05d19cf5a1388cd24f0860eef
5d19cf5a1388cd24f0860eef- 154 yearsfalse
- 255 yearsfalse
- 356 yearstrue
- 458 yearsfalse
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Answer : 3. "56 years "
Explanation :
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Q: Average weight of 24 students is 32 kg. If increase by 2 kg when a teacher joins the group. What will be the weight of teacher? 1308 05d19d10c7619fe30b9d3458d
5d19d10c7619fe30b9d3458d- 182 kgtrue
- 284 kgfalse
- 380 kgfalse
- 485 kgfalse
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- SingleChoice
Answer : 1. "82 kg"
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? 1133 05d19d2be1388cd24f0860ef5
5d19d2be1388cd24f0860ef5- 14 yearsfalse
- 23 yearsfalse
- 32 yearsfalse
- 41 yearstrue
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Answer : 4. "1 years"
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