Question

Find the next number in the number sequence 1,2,4,8,16,... A) 24 B) 12 C) 20 D) 32

Answer 1

Answer:

option D i.e 32

Step-by-step explanation:

The common ratio of the sequence

$\frac{2}{1} = \frac{4}{2} = \frac{8}{4} = \frac{16}{8} = 2$

Therefore, the next no. is given by

$\frac{x}{16} = 2$

$x = 16 \times 2 = 32$

Answer 2

Answer:

D.

Step-by-step explanation:

To get from 1 to 2 you multiply by 2.

To get from 2 to 4  you multiply by 2.

Notice how each number is multiplied by 2? Now try multiplying 16 times 2 which would be 32.