Delhi Police Constable 2008 Paper

Question : 30 of 100

Marks: +1, -0

Renuka starts from her house and goes 3 km. westwards. Then she turns northwards and goes 4 km. How far is Renuka from her house?

Solution:

desired distance

=√{3^2+4^2}=√25=5\;\km

i.e., Renuka is 5 km from her residence in north-west direction.

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