RRB Junior Engineer Stage 1 Model Papers 10

Question : 1 of 98

Marks: +1, -0

X and Y are the mid points of sides AB and AC of a triangle ABC. If

BC + XY = 12

units, then

B C - X Y

Solution:

In ∆ABC X and Y are midpoint of AB and AC

XY=1/2BC \;2XY=BC

BC + XY = 12

2XY + XY = 12

3XY = 12

XY = 4

BC = 8
Hence,

BC – XY = 8 – 4 = 4

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