Education and Career Forum

1. Train A travelling at 60 km/hr leaves Mumbai for Delhi at 6 p.m. Train B travelling at 90/hr also leaves Mumbai for Delhi at 9 p.m. Train C leaves Delhi for Mumbai at 9 p.m. If all the three trains meet at the same time between Mumbai and Delhi. what is the speed of Train C if the distance between Delhi and Mumbai is 1260 km?

The probability that a probationary officer will remain with a bank is 0.6. The probability that a probationary officer earns more than Rs. 20,000 per month is 0.5. The probability that probationary officer who remain with the bank or earns more than Rs.20, 000 per month is 0.7. What is the probability that a probationary officer earns more than Rs. 20,000 per month given that he is probationary officer who stayed with bank.