A) 4
B) 3
C) 2
D) 5
Correct Answer: B
Solution :
Given that \[-1\le \frac{2x-7}{5}\le 1\] \[\Rightarrow -5\le 2x-7\le 5\] \[\Rightarrow -5+7<2x\le 5+7\] \[\Rightarrow 2\le 2x\le 12\] \[\Rightarrow 1\le x\le 6\] Now, \[x\in [1,6]\] \[x\in [1,,,4,,6]\] Means, there are three prime values of x is [3]You need to login to perform this action.
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