Question

If 24 33 x 42 6 51 Then, 20% of x + 40% of x=?

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 33
B 28
C 9
D 16
E None of these
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