Question

"A vertical pole \\( 20 \\mathrm { m } \\) long casts a shadow of \\( 10 \\mathrm { m } \\) long on ground. At the same\na tower casts a shadow of \\( 60 \\mathrm { m } \\). The height of tower is?\n\\( \\begin{array} { l l l l } { \\text { a) } 100 \\mathrm { m } } & { \\text { b) } 120 \\mathrm { m } } & { \\text { c) } 25 \\mathrm { m } } & { \\text { d) none } } \\end{array} \\)"

Answer 1