The credit manager at a Departmental store collects data on 100 of her customers. Of the 60 men, 40 have credit cards (C). Of the 40 women, 30 have credit cards (C). Ten of the men with credit cards have balances due (B), while 15 of the women have balances (B). The credit manager wants to determine the probability that a customer selected at random is a woman with a credit card.
Train B whose length is (l+40) metre can cross a pole in 20 seconds. Train A can cross 168 metre long platform in 44 seconds. The length of train A is 8...
Train P travelling at 62 km/hr crosses another train Q, having three fourth of its length and travelling in opposite direction at 28 km/hr in 14 seconds...
Two trains of same length are running in parallel tracks in the same direction with speed 26 km/hr and 80 km/hr respectively. The latter completely cros...
A train travelling with a speed of 54 km/h can cross a pole in 6 seconds. Find the time taken by the train to cross a 210 metres long platform if the sp...
Two trains A and B, were proceeding in the same direction on parallel tracks at 20 km/hr and 74 km/hr respectively. A man noticed that it took exactly 1...
A train has to cover a distance of 90 km in 15 hours. If it covers half the journey in 4/5 th of the time, the speed to cover remaining distance in the ...
100 metre long train ‘A’ can cross a platform of length 50 metres in 20 seconds. If the speed of train ‘B’ is 6 m/s more than that of train ‘A...
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 24 seconds and 14 seconds respectively. It took 20...
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 28 seconds and 16 seconds respectively. It took 24...
Without stopping the speed of the train is 100 kmph, with stopping the speed of the train is 80 kmph. Find the stop time of the train?