Aptitude - Square Root and Cube Root - Discussion
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Read more:"Everyone is wise until he speaks."
- (Proverb)
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If 35 + 125 = 17.88, then what will be the value of 80 + 65 ?
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| [A]. |
13.41 | [B]. |
20.46 | | [C]. |
21.66 | [D]. |
22.35 |
Answer: Option B
Explanation:
35 + 125 = 17.88
 35 + 25 x 5 = 17.88
35 + 55 = 17.88
85 = 17.88
5 = 2.235
 80 + 65 = 16 x 5 + 65
= 45 + 65
= 105 = (10 x 2.235) = 22.35
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Zee said:
(Sun, Jun 12, 2011 02:02:17 PM)
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| VERY SIMPLE R80+6R5=4R5+6R5=10R5=10*2.235=22.35 |
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M.V.Krishna/Palvoncha said:
(Sun, Sep 11, 2011 09:26:18 AM)
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Hello zee.
You are right. But we know R5 value. For higher root values above explanation process is must. |
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