Ratio and Proportion Practice Test 1

Question : 25 of 40

Marks: +1, -0

The third proportion to 0.07 and 0.14 is:

Solution:

Let the third proportion be x. Then,
0.07 : 0.4 : : 0 : 14 : x
0.07x = 0.14 × 0.14

x={0.14×0.14}/0.07=0.28

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