Question

1,75, 3.5, 7___, 8 In the pattern above, what number belongs between 7 and 28

Answer 1

14

Explanation:

Given:

a1 = 1.75

a2 = 3.5

a3 = 7

a5 = 28

Find:

a4 = ?

Computation:

Common multiply (d) = a2/a1, a3/a2

Common multiply (d) = 3.5/1.75, 7/3.5

Common multiply (d) = 2

So,

a4 = a3 × Common multiply

a4 = 7 × 2

a4 =14