1. 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?


2. The value of 0.1 x 0.1 x 0.1 + 0.02 x 0.02 x 0.02 is: 0.2 x 0.2 x 0.2 + 0.04 x 0.04 x 0.04


3. The value of log2 16 is:


4. The reflex angle between the hands of a clock at 10.25 is:


5. Sum of three even consecutive numbers is 48, which is the least number


6. If the wheel of a bicycle makes 560 revolutions in travelling 1.1 km, what is its radius?


7. 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 :


8. The banker's discount on a sum of money for 1 1/2 years is Rs. 558 and the true discount on the same sum for 2 years is Rs. 600. The rate percent is:


9. In a class composed of x girls and y boys what part of the class is composed of girls


10. A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?