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1 . Which is the next logical number in this sequence of numbers : 5, 7, 10, 14, 19?

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Answer: Option B

Explanation:

Let us observe the sequence,

5,7,10,14,19

The difference between first 2 numbers = 7 - 5 = 2

The difference between next 2 numbers = 10 - 7 = 3

The difference between next 2 numbers = 14 - 10 = 4

The difference between next 2 numbers = 19 - 14 = 5

So logically, the difference between any two consecutive number is gradually increasing by 1.

Therefore difference between next 2 numbers should be 6

If x is the next number, then according to the above relation

x - 19 = 6

i.e, x = 19 + 6 = 25.