5% of 5% of Rs. 100 is 

If a man can cover 12 meters in one second, how many kilometers can he cover in 3 hours and 45 minutes?

 A jogger is running at a speed of 15 km/hr. In what time he will cross a track of length 400 meters? 

The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:

At what time between 5.30 and 6 will the hands of a clock be at right angles?

 A, B and C rents a pasture for Rs.870. A put in 12 horses for 8 months, B 16 horses for 9 months and 18 horses for 6 months. How much should C pay.

The ratio of the number of boys and girls in a college is 7 : 8. If the number of boys increases by 20% and the number of girls increases by 10%, what will be the new ratio?

The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?

The monthly incomes of A and B are in the ratio 5 : 2. B's monthly income is 12% more than C's monthly income. If C's monthly income is Rs. 15,000, then what is A's annual income?

Two pipes A and B can fill a tank in 15 minutes and 20 minutes respectively. Both the pipes are opened together but after 4 minutes, pipe A is turned off. What is the total time required to fill the tank?