A water tank is two-fifth full.Pipe A can fill a tank in 10 minutes and pipe B can empty it in 6 minutes.If both the pipes are open,how long will it take to empty or fill the tank completely?
A wholesaler sells 20 pens at the marked price (printed on the article) of 16 pens to a retailer. The retailer in turn sells them at the marked price . Determine the gain or loss per cent to the retailer.
A wholesaler sells toys at a profit of 20% to a retailer and retailer sells these toys to its customer at a profit of 25%. What is the profit percentage of the retailer?
A wire can be bent in the form of a circle of radius 56cm. If it is bent in the form of a square, then its area will be
A woman says, "If you reverse my own age, the figures represent my husbands age. He is, of course, senior to me and the difference between our ages is one-eleventh of their sum." The womans husband age is ?
A work can be completed by P and Q in 12 days, Q and R in 15 days, R and P in 20 days. In how many days P alone can finish the work?
A worker makes a toy in every 2h. If he works for 80h, then how many toys will he make ?
A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work in :
A young girl counted in the following way on the fingers of her left hand. She started calling the thumb 1, the index finger 2, middle finger 3, ring finger 4, little finger 5, then reversed direction, calling the ring finger 6, middle finger 7, index finger 8, thumb 9 and then back to the index finger for 10, middle finger for 11 and so on. She counted up 1994. She ended on her
A, B and C are employed to do a piece of work for Rs.575. A and C are supposed to finish 19/23 of the work together. Amount shall be paid to B is
