1. A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is :
2. If the wheel of a bicycle makes 560 revolutions in travelling 1.1 km, what is its radius?
3. The reflex angle between the hands of a clock at 10.25 is:
4. It was calculated that 75 men could complete a piece of work in 20 days. When work was scheduled to commence, it was found necessary to send 25 men to another project. How much longer will it take to complete the work?
5. The value of log2 16 is:
6. All men are vertebrates. Some mammals are vertebrates. Which of the following conclusions drawn from the above statement is correct.
7. If a light flashes every 6 seconds, how many times will it flash in ¾ of an hour?
8. A metallic sheet is of rectangular shape with dimensions 48 m x 36 m. From each of its corners, a square is cut off so as to make an open box. If the length of the square is 8 m, the volume of the box (in m3) is:
9. In how many ways can the letters of the word 'LEADER' be arranged?
10. A man was engaged on a job for 30 days on the condition that he would get a wage of Rs. 10 for the day he works, but he have to pay a fine of Rs. 2 for each day of his absence. If he gets Rs. 216 at the end, he was absent for work for ... days.
