Cognizant
Company
Numerical Ability
Area and Volume
There is a rectangular Garden whose length and width are 50m X 30m. There is a walkway of uniform width around garden. Area of walkway is 576m². Find width of walkway:
A)1m B)2m C)3m D)4m
Read Solution (Total 2)
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- answer is D.
Let width of walkway be 'x'
now, area of rectangular garden +area of walkway=(50+2x)(30+2x)
or,1500+576=1500+160x+4x^2
or,4x^2+160x-576=0
or, x=4
therefore, width of walkway is 4m - 4 years agoHelpfull: Yes(1) No(1)
- Correct ans is 3m
- 3 years agoHelpfull: Yes(0) No(0)
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