For the following questions answer them individually
A man sold two cycles at Rs.1125 each. By selling one cycle, he gained 11% and by selling the other cycle, he lost 11%. Find his gain or loss.
Two boats P and Q run between two cities A and B on a stream with flow of 5 km/h. The cities are 300 km apart and P and Q have still water speeds of 25 km/h and 15 km/h respectively. P and Q start from cities A and B towards B and A respectively at the same time. When and where will they meet for the second time?
Goods worth Rs.6500 with a rebate of 5% were purchased. Then sales tax at 4% was included in the bill. What is the amount of the bill?
A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken for the tank to get filled?
If many bulbs are connected in series in a circuit, and if one bulb blows off, what happens to the other bulbs?