7. Due to a delay caused by fog, the Rajdhani Expressleaves Dhanbad at – InterviewSolution

1.	7. Due to a delay caused by fog, the Rajdhani Expressleaves Dhanbad at 8.30 a.m. for Kolkata, 270 kmaway. If it has to reach Kolkata at 10.30 a.m. sharp,at what uniform speed must it cover the rest of thejourney?
Answer» Time= 10:30-8:30 = 2 hoursDistance= 270kmSpeed = distance/ time= 270/2= 135 km/hrTherefore, the speed should be 135km/hr.

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