Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Speed Time and Distance Relative Speed
Two bikes start the race at the same time. One bike travels at 30 m/s and the other at 90 kmph. What will be the time difference in which the bikes complete a race of 60 kms?
1
400 seconds
2
420 seconds
3
450 seconds
4
More than one of the above
5
None of the above