1.

An aeroplane flying horizontally 1 km above the ground is observed at an elevation of 60^(@). If after 10 seconds, the elevation is observed to be 30^(@), then the uniform speed of the aeroplane per hour is

Answer»

120 KM
240 km
`240 SQRT(3)` km
`240//sqrt(3)` km

Answer :C


Discussion

No Comment Found

Related InterviewSolutions