Mathematics
Grade6
Easy

Question

A rectangular sheet of paper is 1 fraction numerator 1 over denominator 4 end fraction cm long having area 5 fraction numerator 1 over denominator 2 end fraction c m to the power of 2 end exponent, then find its width.

  1. 4 fraction numerator 4 over denominator 10 end fraction cm    
  2. 4 fraction numerator 1 over denominator 10 end fraction    
  3. 5 fraction numerator 1 over denominator 10 end fraction    
  4. 1 fraction numerator 4 over denominator 10 end fraction    

hintHint:

When we do division between two fraction, we use reciprocal method.

The correct answer is: 4 fraction numerator 4 over denominator 10 end fraction cm


    Area of rectangle = l cross times b = 5 fraction numerator 1 over denominator 2 end fraction equals fraction numerator 11 over denominator 2 end fraction c m to the power of 2 end exponent
    Breadth of rectangle (B) = fraction numerator a r e a over denominator l e n g t h end fraction
    equals fraction numerator 11 over denominator 2 end fraction divided by fraction numerator 5 over denominator 4 end fraction equals fraction numerator 11 over denominator 2 end fraction cross times fraction numerator 4 over denominator 5 end fraction equals fraction numerator 44 over denominator 10 end fraction equals 4 fraction numerator 4 over denominator 10 end fraction cm

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