Lakshya Education MCQs

Question:  the average of 35 students in a class is 16 years. the average age of 21 students is 14. what is the average age of remaining 14 students?
Options:
A.15 years
B.17 years
C.18 years
D.19 years
Answer: Option D
Explanation :

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More Questions on This Topic :

Question 1.  in the first 10 overs of a cricket game, the run rate was only 3.2. what should be the rate in the remaining 40 overs to reach the target of 282 runs?
  1.    6.25
  2.    6.5
  3.     6.75
  4.    7
Answer: Option A
Explanation :
Question 2.  the average of five numbers is 27. if one number is excluded, the average becomes 25. the excluded number is:
  1.    25
  2.    27
  3.    30
  4.    35
Answer: Option D
Explanation :
Question 3. If the arithmetic mean of seventy five numbers is calculated, it is 35. if each number is increased by 5, then mean of new number is:
  1.    30
  2.    40
  3.    70
  4.    90
Answer: Option B
Explanation :
Question 4.  the average of five numbers is 27. if one number is excluded, the average becomes 25. the excluded number is:
  1.    25
  2.    27
  3.    30
  4.    35
Answer: Option D
Explanation :
Question 5.  the average of runs of a cricket player of 10 innings was 32. how many runs must he make in his next innings so as to increase his average of runs by 4?
  1.    2
  2.    4
  3.    70
  4.    76
Answer: Option D
Explanation :
Question 6. If the arithmetic mean of seventy five numbers is calculated, it is 35. if each number is increased by 5, then mean of new number is:
  1.    30
  2.    40
  3.    70
  4.    90
Answer: Option B
Explanation :

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