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Question

If 0<x<1000 and [x2]+[x3]+[x5]=3130x where [.] GIF; the number of possible values of x is

A
34
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B
33
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C
32
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D
35
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Solution

The correct option is B 33
LHS is integer
RHS must be integer for which x is multiple of 30
x=30, 60, 90, .........., 990
No. of possible values = 33

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