Ques:- If a 200 m long train crosses a platform of the same length as that of the train in 20 seconds, then the speed of the train is
A. 50 km/hr
B. 60 km/hr
C. 70 km/hr
D. 72 km/hr
Ques:- An individual pays 30% income tax. On this tax he has to pay a surcharge of 10%. Thus the net tax rate, he has to pay is
A. 27%
B. 33%
C. 40%
D. 45%
Ques:- Mohan is thirteenth from the left end in a row of children.Prabir is twelfth from the right end and eighteenth from the left end. How many children are towards the right of Mohan in that row?
A. 12
B. 18
C. 17
D. Cannot be determined
E. None of these