Ram goes $\sqrt{12.5} k m$ towards west from a certain point. Then after turning to his right he again goes same distance. In the end he goes $25 k m$ towards South-East. How far is he now from his starting point?

10 k m

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20 k m

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15 k m

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5 k m

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Solution

The correct option is B $20 k m$
As shown in figure, Ram starts from C and goes to B and consecutively to A, and then travels 25 km. He will cross point C because ABC is right angled isosceles triangle, so by Pythagoras theorem
${A C}^{2} = {A B}^{2} + {B C}^{2}$
${A C}^{2} = 12.5 + 12.5$
$A C = 5$
So, further $20 k m$ more will be walked.

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Ram goes √12.5km towards west from a certain point. Then after turning to his right he again goes same distance. In the end he goes 25km towards South-East. How far is he now from his starting point?

The correct option is B 20kmAs shown in figure, Ram starts from C and goes to B and consecutively to A, and then travels 25 km. He will cross point C because ABC is right angled isosceles triangle, so by Pythagoras theorem AC2=AB2+BC2AC2=12.5+12.5AC=5So, further 20km more will be walked.

Ram goes $\sqrt{12.5} k m$ towards west from a certain point. Then after turning to his right he again goes same distance. In the end he goes $25 k m$ towards South-East. How far is he now from his starting point?