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If (10x + 5) : (42x + 8) is the triplicate ratio for 5 : 8, find x31. 1,0002. 1,3313. 1,7284. 2,197 |
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Answer» Correct Answer - Option 3 : 1,728 Given : (10x + 5) : (42x + 8) = 5 : 8 Concept used : x: y = a : b Triplicate ratio for a : b will be x : y = a3 : b3 Calculations : (10x + 5) : (42x + 8) = 53 : 83 (triplicate ratio for 5 : 8) ⇒ (10x + 5) : (42x + 8) = 125 : 512 ⇒ x = 12 ⇒ (x)3 = 123 ⇒ 1728 ∴ the value of x will be 1728
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