1.

Fill in the following boxes 5/20=a/4=3/a

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Given:

5/20 = a/4 = 3/a

To find:

Value of a in a/4 and 3/a= ?

Solution:

5/20 = a/4

1/4 = a/4

4/4 = a

a = 1

5/20 = 3/a

1/4 = 3/a

a = 3 × 4

a = 12

Cross check value of a:

5/20 = a/4

1/4 = a/4

Substituting value of a = 1

1/4 = 1/4

Thus, value of a = 1 is correct

5/20 = 3/a

1/4 = 3/a

Substituting value of a = 12

1/4 = 3/12

1/4 = 1/4

Thus value of a = 12 is correct

Extra INFORMATION:

  • As all numbers are equal, while solving take only two equal EASY numbers to find value of a
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