Lakshya Education MCQs

Question:  the average amount with a group of seven numbers is rs. 20. if the newly joined member has rs. 50 with him, what was the average amount with the group before his joining the group?
Options:
A.Rs. 25
B.Rs. 18
C.Rs. 15
D.Rs. 22
Answer: Option C
Explanation :

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More Questions on This Topic :

Question 1.  the average runs scored by a batsman in 20 matches is 40. in the next 10 matches the batsman scored an average of 13 runs. find his average in all the 30 matches?
  1.    31
  2.    29
  3.    28
  4.    30
Answer: Option A
Explanation :
Question 2.  the average age of seven persons sitting in a row facing east is 28 years. if the average age of the first three persons is 21 years and the average age of the last three persons is 34 years, then fin
  1.    30 Years
  2.    31 years
  3.    26 years
  4.    33 years
Answer: Option B
Explanation :
Question 3.  the average weight of a group of boys is 30 kg. after a boy of weight 35 kg joins the group, the average weight of the group goes up by 1 kg. find the number of boys in the group originally ?
  1.    4
  2.    5
  3.     6
  4.    7
Answer: Option A
Explanation :
Question 4.  the average runs scored by a batsman in 20 matches is 40. in the next 10 matches the batsman scored an average of 13 runs. find his average in all the 30 matches?
  1.    31
  2.    29
  3.    28
  4.    30
Answer: Option A
Explanation :
Question 5.  the average weight of a group of boys is 30 kg. after a boy of weight 35 kg joins the group, the average weight of the group goes up by 1 kg. find the number of boys in the group originally ?
  1.    4
  2.    5
  3.     6
  4.    7
Answer: Option A
Explanation :
Question 6.  the average amount with a group of seven numbers is rs. 20. if the newly joined member has rs. 50 with him, what was the average amount with the group before his joining the group?
  1.    Rs. 25
  2.    Rs. 18
  3.    Rs. 15
  4.    Rs. 22
Answer: Option C
Explanation :

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