jnu previous year paper doubt

[aanchal]

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[Noel]

using condition (ii) we get the following possible values
x=51,54,57
Using (iii) we get
x=61,62,63,65,66,67,69
And finally from (iv) we get
x=70,71,73,74,75,76,77, 79

Now, 51,57,61,62,63, 65,67 and 69 are not multiples of 6 but none of them lies in the interval 70<x<79. Hence these choices can be eliminated.

Further 54,70,71,73,74,75, 77,79 are not multiples of 4 but they do not lie in 60<x<69

66 is a multiple of 3 but it does not lie in between 50 and 59. Hence x=76

[aanchal]

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