Aptitude - pole

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pole

A pole seen from a certain distance at an angle of 15deg and 100m ahead by 30deg.what is the height of pole?

Total Answers and Comments: 3

Last Update: May 24, 2009 Asked by: chandradeepika

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June 17, 2008 04:17:52

rssr_sy

Member Since: June 2008 Contribution: 6

RE: pole

height of the pole is 50m

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March 13, 2009 12:18:54

pawansharma1987

Member Since: March 2009 Contribution: 6

RE: pole

The height of the pole is 50 m

appllying trigo we get .

tan 15 h/(100+y) ;

tan 30 h/y;

solving above we get

h 50m

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May 24, 2009 03:29:38

hydsarema

Member Since: August 2008 Contribution: 11

RE: pole

let the height of the pole be h
let the distance at which the angle of elevation is 30 be x.then we have

tan 15 is h/100+x
tan 30 is h/x
by solving we get x as 866
and the height as 499.7 which is approx 500m

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