IBM Company Numerical Ability Time Distance and Speed

A vehicle will start at office at 8.15 it has to reach destination by 9.45. But driver will reach destination 30 mins early then wat is the time taken by driver to reach destination

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IBM Other Question

A man can do the work in 20hrs. a machine can reduce the time by 1/8 of the time taken by man. Then what is the time taken by machine to complete the work If a company produces 15 different model of tv sets of 2 inches screen and 4 different model of 4 inches screen size. Then how many model should vendor has for all the model so that all models will displayed in the showroom