For the following questions answer them individually
If the numerator of a fraction is increased by 20% and the denominator is decreased by 10% the fraction becomes $$\frac{16}{21}$$. What was the original fraction?
A man bought a horse and a caniage for Rs.3000. He sold the horse at a gain of20% and the caniage at a loss of 10%, there by gaining 2% on the whole. Then the cost of the horse is (in rnpees)
By selling an aiticle for Rs.4525 a merchant gets a loss of $$9\frac{1}{2} \%$$. In order to get a profit of $$7\frac{1}{2} \%$$, the selling price of the article in rupees is
Three persons A, B, C entered into a business with a total capital of Rs.250000. A invests Rs.20000 more than Band B invests Rs.25000 more than C. If at the end of the year. there is a profit of Rs.70000, then B's share in the profit in mpees is
Three persons A, B, C sta1ted a pannership business with the understanding that A would invest 100% of the capital where as Band C nm the business for 4 and 6 months respectively. At the end of 10 months A got 50% of the total profit of Rs.4 lakhS. Then the share of the profit of C (rnpees in lakhs) is
Pipe 'A' can fill a tank in 5 hours, but due to a tiny hole at the bottom it wok 8 hours to fill the tank. Then the time, in hours. for the fttll tailk of water to be drained through the tiny hole is (in hours)
Pipe A fills an empty tank in 4 hours and pipe B in 6 hours. If the two pipes are opened for one hour each alternatively with pipe A being opened first, then the tank will be filled (in hours) is
If a train of 240 meters long crosses a b1idge of length 180 meters in 20 seconds. then the speed of the train (in kmph) is
If a train takes 20 seconds to cross a platfonn of length 35 meters. the speed of the train (in kmph) is
A person-A can finish a piece of work in 20 days and another person-B in 30 days. With the help of another person-C they completed the work in 6 days. Then the number of clays in which C alone can complete that work is