1. A number is greater than 5 but less than 8. Also, it is greater than 6 but less than 7.
Then the number is:

2. In the sequence below, how many odd numbers are immediately preceded by 7 as
well as immediately followed by 2?

Sequence: 773272737273272783727272

3. In a row of 30 pupils, the first boy is followed by one girl, the second boy is followed
by two girls, the third boy is followed by three girls, and so on. What is the number of
girls in the second half of the row?

4. How many numbers from 20 to 80 are divisible by 7?

5. Which of the following will be the middle digits of the middle number after reversing
the digits of the following numbers: 481, 629, 753, 892, 146?

6. How many numbers from 1 to 100 are there, each of which is not only exactly
divisible by 4 but also has 4 as a digit in it?

7. How many numbers from 20 to 70 are divisible by 6 but not by 4?

8. In a queue of 11 persons buying tickets from a counter, if every second person from
the counter is male and the person at the beginning and at the end of the queue is also
male, how many persons in the queue are female?

9. How many 3s are there in the following number sequence that are immediately
preceded by 4 but not immediately followed by 5?

Sequence: 4 3 5 4 3 7 6 3 4 3 8 9 4
3 1 3 3 5

10. Which one of the following pairs is different from the other four?