Lakshya Education MCQs

Question:  a total of 3000 chocolates were distributed among 120 boys and girls such that each boy received 2 chocolates and each girl received 3 chocolates. find the respective number of boys and girls?
Options:
A.70, 50
B.60, 60
C.50, 70
D.40, 80
Answer: Option B
Explanation :

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More Questions on This Topic :

Question 1.  
  1.    10
  2.    20
  3.    40
  4.    73
Answer: Option C
Explanation :
Question 2. The mean of 50 observations was 36. it was found later that an observation 48 was wrongly taken as 23. the corrected new mean is:
  1.    35.2
  2.    36.1
  3.    36.5
  4.    39.1
Answer: Option C
Explanation :
Question 3.  a cricketer whose bowling average is 12.4 runs per wicket takes 5 wickets for 26 runs and there by decreases his average by 0.4. the number age of the family now is:
  1.    64
  2.    72
  3.    80
  4.     85
Answer: Option D
Explanation :
Question 4.  rahim bought 65 books for rs.1150 from one shop and 50 books for rs.920 from another. what is the average price he paid per book ?
  1.    Rs.20
  2.    Rs.18
  3.    Rs.22
  4.    Rs.16
Answer: Option B
Explanation :
Question 5.  the average height of 35 boys in a class was calculated as 180cm. it has later found that the height of one of the boys in the class was wrongly written as 166 cm whereas his actual height was 106 cm.
  1.    179.29 cm
  2.    178.29 cm
  3.    179.38 cm
  4.    178.39 cm
Answer: Option B
Explanation :
Question 6.  the total marks obtained by a student in physics, chemistry and mathematics is 150 more than the marks obtained by him in physics. what is the average mark obtained by him in chemistry and mathematics
  1.    75
  2.    150
  3.    50
  4.    Cannot be determined
Answer: Option A
Explanation :

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