What is 12% of 4% of 7% of 2 × 106 ? Options a) 386b) 583c) 672d) 121 Solutions As per questions = = = 672 Ans: c) 672
A train of length 384 metres crosses an electric pole in 12 seconds and crosses another train of the travelling in opposite direction in 12 seconds. What is the speed of the second train?