Q1. Choose the one which is different from the rest three.

Q4. Find the angle traced by hour hand of a correct clock between 7 pm 0 clock and 2 am 0 clock.

Q10. Major is related to Lieutenant in the same way as 'Squadron Leader is Related to _______?

Q21. In a row of 40 children. A is 13th from the left end and B is ninth from the right end. How many children are there