A train crosses a pole in 15 seconds  while a 100 metre long platform in 25 seconds. What is the length of the train?

1)  125 m

2)  135 m

3)  150 m

4)  175 m

 (1) 36 days     (2)  40 days    (3) 37days    (4) NONE OF THESE

The sum of 0.3, 0.35 and 0.007 is
1. 0.057
2. 0.657
3. 0.657
4. 0.696

A trader marks his goods at 20% above the cost price. If  he allows a discount of 5% on the marked price, what profit per cent does he make?

1)  14%

2)  16%

3)  18%

4)  20%