Sawaal
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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:   B) 45



Explanation:
Subject: Average - Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams
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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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Average of 8 numbers is 40. The average of first three numbers is 46 and the average of next two numbers is 50. If the sixth number is 6 and 10 less than seventh and eighth number respectively, then what is the value of eighth number?

 

A) 28 B) 22
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Answer & Explanation Answer: D) 32

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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.

 

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Answer & Explanation Answer: A) 30

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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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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  
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Answer & Explanation Answer: D) 80

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The average of 26 numbers is 37. One more number is added and the new average becomes 41. What is that new number?

 

A) 140 B) 145
C) 146 D) 147
 
Answer & Explanation Answer: B) 145

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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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The arithmetic mean of four distinct numbers is 90. If the greatest of the four numbers is 120, what is the maximum possible value of the range of the set of four numbers?

 

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Answer & Explanation Answer: B) 117

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