Lakshya Education MCQs

Question:  the average age of all the members of a family is 25 yr. the average age of males is 30 yr while the average age of females is 20 yr. if the number of females in the family is 15, then find out the nu
Options:
A.5
B.10
C.15
D.20
Answer: Option C
Explanation :

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Question 1.  the average salary per head of all workers of an institution is rs. 60. the average salary per head of 12 officers is rs. 400. the average salary per head of the rest is rs. 56. then, the total number
  1.    1006
  2.    1019
  3.    1028
  4.    1032
Answer: Option D
Explanation :
Question 2.  roshan bought 5 pants at rs.25 each, 10 shirts at rs. 50 each and 15 ties at rs.35 each. find the average price of all the articles.
  1.    37
  2.    38.33
  3.    40
  4.    43.24
Answer: Option B
Explanation :
Question 3.  the average temperature of delhi for four days in a particular month is 48°c. if the average temperature of second and third days 34°c and the ratio of the temperature of first and fourth days is 9 :
  1.    45.8°C, 69.2°C
  2.    55.8°C, 68.2°C
  3.    65.8°C, 66.2°C
  4.    75.8°C, 63.2°C
Answer: Option B
Explanation :
Question 4.  the average salary per head of all workers of an institution is rs. 60. the average salary per head of 12 officers is rs. 400. the average salary per head of the rest is rs. 56. then, the total number
  1.    1006
  2.    1019
  3.    1028
  4.    1032
Answer: Option D
Explanation :
Question 5.  roshan bought 5 pants at rs.25 each, 10 shirts at rs. 50 each and 15 ties at rs.35 each. find the average price of all the articles.
  1.    37
  2.    38.33
  3.    40
  4.    43.24
Answer: Option B
Explanation :
Question 6.  the average weight of a class of 15 boys and 10 girls is 38.4 kg. if the average weight of the boys is 40 kg, then what is the average weight of the girls ?
  1.    19 kg
  2.    25 kg
  3.    33 kg
  4.    36 kg
Answer: Option D
Explanation :

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