For the following questions answer them individually
A thief is stopped by a policeman from a distance of 350 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 5 km/h and that of the policeman as 7 km/h, how far the thief would have run, before he is over-taken?
A does 75% of a work in 25 days. He then calls in B and they together finish the remaining work in 5 days. How long B alone would take to do the whole work?
The effective annual rate of interest corresponding to a nominal rate of 15% per annum payable half-yearly is
25% discount is offered on an item. By applying a promo code a customer wins 10% cash back. What is the effective discount?
