1
Q:

The average marks obtained by a class of 60 students is 65. The average marks of half of the students is found to be 85. The average marks of the remaining students is

A) 35 B) 45
C) 55 D) 65

Answer:   B) 45



Explanation:
Q:

24 students collected money for donation. The average contribution was ₹50. Later on, their teacher also contributed some money. Now the average contribution is ₹56. The teacher’s contribution is:

 

A) ₹56 B) ₹200
C) ₹106 D) ₹194
 
Answer & Explanation Answer: B) ₹200

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0 407
Q:

1800 chocolates were distributed among the students of a class. Each student got twice as many chocolates as the number of students in the class. Calculate the number of students in the class.

 

A) 30 B) 40
C) 60 D) 90
 
Answer & Explanation Answer: A) 30

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1 102
Q:

The average of 60 student’s results is 38. If the average of the first 22 students is 36, and that of the last 32 students is 32, then the average result of the remaining students is:

 

A) 81 B) 77
C) 65 D) 52
 
Answer & Explanation Answer: B) 77

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3 191
Q:

The average score in Mathematics of 90 students of sections A and B together is 49. The number of students in A was 25% more than that of B, and the average score of the students in B was 20% higher than that of the students in A. What is the average score of the students in A?

 

A) 44.5 B) 45
C) 44 D) 45.5
 
Answer & Explanation Answer: B) 45

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1 209
Q:

Out of the five subjects, the average marks of Suman in first 3 Subjects was 81 and the average marks in the last 3 subjects was 74. If her marks in the third subject was 65, then what was her average marks in all the subjects?

 

A) 75   B) 76  
C) 79   D) 80
 
Answer & Explanation Answer: D) 80

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0 190
Q:

The median of the first 25 whole numbers is:

 

A) 10 B) 12.5
C) 15 D) 12
 
Answer & Explanation Answer: D) 12

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1 987