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Kunal Tiwari

· started a discussion

· 1 Months ago

54 should not be taken because there is no number after 4 so we cannot say it a non prime number.

Question:
How many 4's in the series are preceded by a prime number but not followed by prime number?


4, 1, 4, 1, 5, 4, 2, 6, 4, 1 8, 3, 4, 9, 2, 4, 8, 3, 4, 8, 2, 8, 4, 5, 4, 8, 7, 4, 6, 4, 5, 4.

Options:
A) 5
B) 4
C) 3
D) 6
Solution:
Ans: (a) 

349, 248, 348, 548, 746.

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