Question

If 18 x 10 42 -22, Then, 50% of 2x - 25% of x = ?

span >In each of the following questions a number series is given. One term of the series is denoted by
X. You have to calculate the value of X and by using the value of X , you have to replace the question mark (?) in the following questions :
A 26
B 32
C 42
D 19.5
E None of these
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