1.

A fox, camouflaged in the bush, observes from the ground, that it takes 2 minutes for the angle of elevation of the squirrel to change from 30^@to 60^@. If the speed of fox is sqrt3 times that of the squirrel, find the time taken by fox to reach the tree from the bush.

Answer»

1 MINUTE
`SQRT3` minute
3 minute
`4/sqrt3` minute

Answer :A


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