Question

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​Q29. Literacy rates of 40 cities are given in the following table. If it is given that mean literacy rate is 63.5, then find the missing frequencies x and y.




Literary rate (in %)

30-40

40-45

45-50

50-55

55-60

60- 65

65-70

-7075

75-80

80-85

85-90



Number of cities

1

2

3

x

y

6

8

4

2

3

2

Answer 1

I think it definitely wrong

Answer 2

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