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absar hashmi

· started a discussion

· 1 Months ago

go with options. (Question: 292730.0 )

c and d can be easily eliminated. and then check for two options

Question:

A wire of length 340 mm is to be cut into two parts. One the parts is to be made into a square and other into a rectangle where sides are in the ratio of 1 : 2. What is length of side of square (in mm) such that the combined area of the square and the rectangle is minimum?

Options:
A)

30

B)

40

C)

120

D)

180

Solution:

Ans: (b)

  

Knowledge Expert

· commented

· 1 Months ago

Dear Student,
Yes , We can also check with the options.
But here we provided general approach to the problem.

Thanks and Regards
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