Instructions
In each of the following questions, select the missing number from the given responses.
Solution
here the given pattern is I. 40 32 72 12
II. 30 24 54 9
III. 54 ? 90 15
let the missing term be y
as we can see that in 1st pattern
72 = 40 + 32
in 2nd pattern 54 = 30 + 24
and hence in 3rd pattern
90 = y + 54
y = 36
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