Average Questions Practice Question and Answer
8 Q: of the three numbers, the first is 3 times the second and the third is 5 times the first. If the average of the three numbers is 57, the difference between the largest and the smallest number is:
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5dcb9ebfe9d33d6509be08aa- 19false
- 218false
- 3126true
- 4135false
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Answer : 3. "126"
Q: Rohit purchased 12 kg of oranges for a total price of ₹480 and 18 kg of guavas at 30 per kg. What cost of the fruits purchased by Rohit?
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64225cba2b960e1a4180e2bf- 136.00false
- 234.00true
- 337.20false
- 438.20false
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Answer : 2. "34.00"
Q: a, b, c, d, e, f, g are consecutive even numbers. j, k, l, m, n are consecutive odd numbers. The average of all the numbers is:
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5f2a63d3cef453383f1e3e14- 1false
- 2false
- 3false
- 4true
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Answer : 4. " "
Q: The average per day income of A, B and C is Rs. 450. If the average per day income of A and B be Rs. 400 and that of B and C be Rs. 430, the per day income of B is:
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5dcba2f445ad6b59c82d8685- 1Rs . 300false
- 2Rs . 310true
- 3Rs. 415false
- 4Rs . 425false
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Answer : 2. "Rs . 310 "
Q: The average marks of a student in four subjects is 75. If the student obtained 80 marks in the 5th subject then the new average is ?
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5f6346b3167e402436a7a682- 180false
- 276true
- 392false
- 495false
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Answer : 2. "76"
Q: The average of 12 number is 42. If a 13th number is added, then the average becomes 44. What is the 13th number?
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5eb94bda43b27164c8e427e7- 168true
- 272false
- 370false
- 474false
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Answer : 1. "68"
Q: Average weight of 10 men increases by 3.5 kg when a man of 50 kg is replaced by a new man what is the age of new person? 1660 05d19d3907619fe30b9d34595
5d19d3907619fe30b9d34595- 185 kgtrue
- 284 kgfalse
- 382 kgfalse
- 480 kgfalse
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Answer : 1. "85 kg"
Explanation :
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Q: In an exam, the average marks obtained by the students was found to be 60. After omission of computational errors, the average marks of 100 candidates had to be changed from 60 to 30 and the average with respect to all the examinees came down to 45 marks. The total number of candidates who took the exam, was.
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5f2a80cbcef453383f1e8766- 1240false
- 2180false
- 3200true
- 4210false
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