Distance between Mumbai and Pune is (2y2+y+2). There are two routes to travel from Mumbai to Pune as shown in the figure.
What is the difference between the distances of the two routes?
A
32 units
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B
23 units
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C
57 units
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D
34 units
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Solution
The correct option is D 34 units When y=5 Distance=(2y2+y+2)=2×52+5+2=50+5+2=57 units When y =3, Distance =(2y2+y+2)=2×32+3+2=18+3+2=23 units Required difference = 57 – 23 = 34 units.