Number Test

1 Count each 7 which is not immediately preceded by 5 but is immediately followed by either 2 or 3. How many such 7's are there ? 5 7 2 6 5 7 3 8 3 7 3 2 5 7 2 7 3 4 8 2 6 7 8

2 In the following number sequence, how many such even numbers are there which are exactly divisible by its immediate preceding number but not exactly divisible by its immediate following number ? 3 8 4 1 5 7 2 8 3 4 8 9 3 9 4 2 1 5 8 2

3 How many even numbers are there in the following sequence of numbers which are immediately followed by an odd number as well as immediately preceded by an even number ? 8 6 7 6 8 9 3 2 7 5 3 4 2 2 3 5 5 2 2 8 1 1 9

4 How many 7's are there in the following series which are not immediately followed by 3 but immediately preceded by 8 ? 8 9 8 7 6 2 2 6 3 2 6 9 7 3 2 8 7 2 7 7 8 7 3 7 7 9 4

5 How many 6s are there in the following number sequence which are immediately preceded by 9 but not immediately followed by 4 ? 5 6 4 3 2 9 6 3 1 6 4 9 6 4 2 1 5 9 6 7 2 1 4 7 4 9 6 4 2

6 If the first and second digits in the sequence 5 9 8 1 3 2 7 4 3 8 are interchanged, also the third and fourth digits, the fifth and sixth digits and so on, which digit would be the seventh counting to your left ?

7 5 1 4 7 3 9 8 5 7 2 6 3 1 5 8 6 3 8 5 2 2 4 3 4 9 6 How many even numbers are there in the sequence which are immediately preceded by an odd number but immediately followed by an even number ?

8 In the series, 6 4 1 2 2 8 7 4 2 1 6 3 8 6 2 1 7 1 4 1 3 2 8 6 how many pairs of alternate numbers have a difference of 2 ?

9 If the position of the first and the sixth digits of the sequence of numbers 8 9 0 3 2 1 4 6 7 5 are interchanged, the second and the seventh and so on, which number would be seventh from the right end ?

10 How many even numbers are there in the following sequence of numbers which are immediately followed by an odd number as well as immediately preceded by an even number ? 8 6 7 6 8 9 3 2 7 5 3 4 2 2 3 5 5 2 2 8 1 1 9