The square of difference between the second and third prime numbers that end with a 9 is:

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10 Feb 2020 Prime Number

The square of difference between the second and third prime numbers that end with a 9 is:

OPtion

1) 10
2) 20
3) 30
4) 40
5) 50
6) 400
7) 1600
8) 900
9) 100
10) None of these

Solution

The first 3 prime numbers ending in 9 are: 19, 29 and 59

Difference between 2nd and 3rd = 30
Square of difference = 30^2 = 900

Correct Option: 8 Best Solution (6)