Third proportion of 10 and 20 is5
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Q: Third proportion of 10 and 20 is
- 130false
- 240true
- 325false
- 420false
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Answer : 2. "40"
Explanation :
Answer: B) 40 Explanation: The third proportional of two numbers p and q is defined to be that number r such that p : q = q : r. Here, required third proportional of 10 & 20, and let it be 'a' => 10 : 20 = 20 : a 10a = 20 x 20 => a = 40 Hence, third proportional of 10 & 20 is 40.