SSC CHSL 6 Dec 2015 Shift 2 Paper

Question : 36 of 200

Marks: +1, -0

Karthik travelled 3 km east, then took a right and travelled 4kms. How far is he from starting point ?

Solution:

Let Karthik started from point A and travelled 3 km east, then took a right turn from B and travelled 4kms to stop at point C.
⇒

(AC)^2 = (AB)^2 + (BC)^2

⇒

(AC)^2 = (3)^2 + (4)^2

⇒

(AC) ^2 = 9 + 16 = 25

⇒

AC=√25=5

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