In the number series by how much is the sum of prime numbers is more or less than the sum of composite numbers? Number Series - 6, 8, 7, 3, 5, 9, 4, 2, 1

In the given number series the digits of every number are interchanged to form a new series. What is the addition of the prime numbers in the new series? 13 , 95 , 17 , 53 , 37 , 76 , 19 , 41

In the given number series how many times is the sum of two adjacent digits is a ‘Prime Number’. Series - 7, 8, 9, 2, 0, 1, 3, 5, 6, 8, 1, 1, 1, 2, 5

In the given number series how many times does ‘3’ occur before ‘5’ but ‘4’ does not occur after ‘5’? Series - 8 3 5 2 4 5 3 5 3 4 6 5 4 3 5 3 5 6 4 3 5 3 5 4 3 5 7

In the given series, how many times even number is preceded by odd number and is immediately followed by an even number. Series - 7, 8, 3, 2, 5, 6, 4, 2, 8, 7, 2, 3, 6, 8, 9, 4, 6