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Question

Bella uses some patterns to arrange the flower pots in the garden.

How many pots will be there in sixth step?

A
18
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B
15
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C
12
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D
21
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Solution

The correct option is A 18
In the first step, there are 3 pots.

In second and third steps, there are 6 and 9 pots respectively.

Let us represent the steps on a number line.
Here we follow "add 3" rule.

So, in fourth step, there will be 9 + 3 = 12 pots.

In fifth step, there will be 12 + 3 = 15 pots.

∴ In sixth step, there will be 15 + 3 = 18 pots.

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