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The number of students in a class is inc...

The number of students in a class is increased by 20% and the number now becomes 66. Initially the number was

A

45

B

50

C

55

D

60

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The correct Answer is:
C
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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 number of students of class I is -

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