Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Speed Time and Distance Relative Speed
Train A takes 10 seconds to cross a pole and 20 seconds to cross a platform of 100 m. Train B which moves in the opposite direction to train A is moving at speed of 72 kmph. Calculate relative speed
1
136 kmph
2
144 kmph
3
90 kmph
4
More than one of the above.
5
None of the above