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The average score in Mathematics of 90 s...

The average score in Mathematics of 90 students of section A and B of class IX was 63. The number of student in A were 10 more than those in B. The average score of students in A was `30%` more than that of students in B. The average score of students in B is :

A

60

B

54

C

50

D

56

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The correct Answer is:
B
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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? खंड A तथा खंड B के 90 छात्रों का गणित में औसत अंक 49 है | A के छात्रों की संख्या B के छात्रों से 25% अधिक है तथा B के छात्रों का औसत अंक A के छात्रों के औसत अंक से 20% अधिक है | A के छात्रों का औसत अंक कितना है ?

The total number of students in section A and B of a class is 110. The number of students in section A is 10 more than that of section B. The average score of the students in B, in a test, is 20% more than that of students in A. If the average score of all the students in the class is 72, then what is the average score of the students in A? किसी कक्षा के खंड A और खंड B के छात्रों की कुल संख्या 110 है | खंड A में छात्रों की संख्या खंड 9 के छात्रों की संख्या से 10 अधिक है| किसी परीक्षा में B के छात्रों का औसत प्राप्तंक A के छात्रों के औसत प्राप्तंक से 20% अधिक है | यदि सभी छात्रों का औसत प्राप्तांक 72 है, तो A के छात्रों का औसत प्राप्तांक ज्ञात करें |

The total number of students in sections A and B ofa class is 72. The ratio of the number of students in A and B is 7: 5. The average weight(in kg) of the students in section B is 20% more than that of the studentsin section A.If the average weight of all the students in the class is 52 kg, then whatis the average weight (in kg) of the students in section B?

The number of students in section A and section B of a class are 40 and 52, respectively. The average score in mathematics of all the students is 75. If the average score of the students in A is 20% more than that of students in B, then what is the average score of students in B?

The average score of 42 students in a test is 69. The ratio of the number of boysto that of girls is 10 : 11. The average score of the boys is 20% more than that of the girls. The average score of the boys is :

Direction: There are 1250 total students in 5 different classes in a school. The number of students in class I is 50 less than the number of students in class II. The number of class IV students is 50 more than the number of students in class II. The average number of students in class III and class V is 250. The number of students in class III is 10% less than the number of students in class I. The average number of students of class II and class III is

Direction: There are 1250 total students in 5 different classes in a school. The number of students in class I is 50 less than the number of students in class II. The number of class IV students is 50 more than the number of students in class II. The average number of students in class III and class V is 250. The number of students in class III is 10% less than the number of students in class I. The ratio of the total number of students of class V to the total number of students of class III is

Direction: There are 1250 total students in 5 different classes in a school. The number of students in class I is 50 less than the number of students in class II. The number of class IV students is 50 more than the number of students in class II. The average number of students in class III and class V is 250. The number of students in class III is 10% less than the number of students in class I. The total number of students of class IV and the number of students of class II is

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  12. The average of 40 numbers is 36. The average of the first 25 numbers i...

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  13. The average of 83 results is 48.5. If the average of the first 59 resu...

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  14. The average of 60 student’s results is 38. If the average of the first...

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  15. The average of 33 numbers is 74. The average of the first 17 numbers i...

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  16. The average marks of 50 students in an examination was 65. It was late...

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  17. In a class, the average score of thirty students on a test is 69. Late...

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  19. The average of 100 numbers is 63, but it was found that 2 numbers 37 &...

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  20. The average age of a number of persons in a group’ was calculated as 3...

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