Question

find the missing number:  3,4,6,8,12,?18.

Answer 1

Answer:

14

Step-by-step explanation:

2+1=3, 3+1=4, 5+1=6,7+1=8,11+1=12,13+1=14,17+1=18

Answer 2

Concept:

Missing numbers are those that have been omitted from a given series of numbers that have comparable discrepancies between them. Finding similarities between the missing numbers and filling in the gaps in the specified series and locations is how the missing numbers are to be written.

Given:

The given series is 3,4,6,8,12,?18.

Find:

We have to find the missing number in the given series.

Solution:

We have observed from the series that the pattern followed by the series is prime number and adding 1 in each prime number.

As we already know that prime number starts with 2.

2 + 1 = 3

3 + 1 = 4

5 + 1 = 6

7 + 1 = 8

11 + 1 = 12

13 + 1 = 14

17 + 1 = 18

So, 14 is the required number in the given series.

Hence, 14 is the missing number.

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