Question

Look at the number of dots in the steps below.
How many dots will be there in Step 7?

• A. 12
• B. 14
• C. 32
• D. 16

Answer 1

The correct option is B 14


We can see that, number of dots in Step 1 = 2
Number of dots in Step 2 = 4
Number of dots in Step 3 = 6

Representing these numbers on a number line, we get the following:
So, there is an increment of 2 in every step.

∴ In Step 4, the number of dots will be = 6 + 2 = 8
In Step 5, the number of dots will be = 8 + 2 = 10
In Step 6, the number of dots will be = 10 + 2 = 12
Finally, in Step 7, the number of dots will be = 12 + 2 = 14

Representing on a number line, we get the following:

So, the number of dots in the Step 7 will be 14.