1. Which of the following will be the middle digits of the middle number after reversing
the digits of the following numbers: 541, 982, 738, 254, 967?

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

3. How many numbers from 20 to 60 are divisible by 5 but not by 3?

4. How many numbers from 15 to 75 are divisible by 11?

5. In a queue of 15 persons buying tickets from a counter, if every fourth 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?

6. How many 5s are there in the following number sequence which are immediately
preceded by 7 but not immediately followed by 6? Sequence: 1 7 5 6 7 5 3 7 5 8 2 7 5
6 4 7 5 9 7 5

7. How many numbers from 1 to 200 are there, each of which

8. A number is greater than 22 but less than 30. Also, it is greater than 25 but less than
29. Then the number is:

9. In a row of 50 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?

10. In the sequence below, how many odd numbers are immediately preceded by 8 as
well as immediately followed by 2? Sequence: 882182382823182