IBM Company Numerical Ability Time Distance and Speed

Three persons A,B,C are waiting for Train.A has
to wait for sometime twice the time b has to wait.B has to wait
till 4:48 and c has to wait 4:57. What is the time now?

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IBM Other Question

one container of a production line solvent is mixed at 20% strenth and another is mixed at 54% strenth .To obtain 7 liters of a mixture that is 38% strenth ,how mny liters should used from the container tht is mixed at 54% strenth? In 1978, a kg of paper was sold at Rs25/- If the paper rate increases at 1.5% more than the inflation rate which is 6.5% a year, then what will be the cost of a kg of paper after 2 years?
a)29.12 b)29.72 c)30.12 d)32.65 e)none of these