A number is greater than 3 but less than 8. Also, it is greater than 6 but less than 10. The number is

In the series : 7  8  9  7  6  5  3  4  2  8  9  7  2  4  5  9  2  9  7  6  4  7
Which figures have equal frequence ?

D. 865

1.12.91 is the first Sunday. Which is the fourth Tuesda of December 91 ?

B. 24.12.91

How many 6's 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

B. TWO

How many numbers from 11 to 5 are there which are exactly divisible by 7 but not by 3 ?

B. FOUR