For the following questions answer them individually
A bag contains 19 red balls, 37 blue balls and 27 green balls. If a ball is picked up from this bag at random, what is the probability of picking a blue ball?
In an imaginary language, the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 are substituted by a, b, c, d, e, f, g, h, i and j. And 10 is written as ba
bee + fg - $$(ca \times \frac{h}{be})$$ is equal to:
There are 600 Tennis players. 4% wear wrist band on one wrist. Of the remaining, 25% wear wrist bands on both hands. How many players donโt wear a wrist band?
Buses start from a bus terminal with a speed of 20 km/hr at intervals of 10 minutes. What is the speed of a man coming from the opposite direction towards the bus terminal if he meets the buses at intervals of 8 minutes?