What will come in place of lsquo rsquo in the following number series 18 18 36 108 432 ........

What will come in place of ‘?’ in the following number series?

18, 18, 36, 108, 432, ?

This questions was previously asked in

RRB Clerk Prelims (19 Aug, 2023 Shift 1)

1728

1296

1784

1260

2160

- Let's analyze the given series: 18, 18, 36, 108, 432, ?

- Notice the pattern:

- Start with 18.

- First number repeats: 18, 18.

- Multiply by 2: 18 × 2 = 36.

- Multiply by 3: 36 × 3 = 108.

- Multiply by 4: 108 × 4 = 432.

- Next, multiply by 5: 432 × 5 = 2160.

- Review the options:

- Option 1: 1728

- Option 2: 1296

- Option 3: 1784

- Option 4: 1260

- Option 5: 2160

Option 5: 2160 is the correct answer.

Submit Error