Question
Download Solution PDFIf 405 : y :: y : 125, and y > 0, then find the value of y.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
⇒ 405 : y :: y : 125
Concept used:
a : b : : c : d
⇒ a/b = c/d
Calculation:
405 : y :: y : 125
⇒ 405/y = y/125
⇒ y2 = 125 × 405
⇒ y = √{25 × 5 × 81 × 5}
⇒ y = 25 × 9 = 225
∴ The correct answer is 225.
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