Question

the product of 2 no. is 18.75. If one no. is thrice of another. Find the larger no. ​

Answer 1

1st number = x

2nd number = 3x

$x \times 3x = 18.75$

⇒3x² =18.75

⇒x² = 18.75 / 3 = 6.25

⇒x = ± 2.5

larger no.

⇒3×±2.5

⇒±7.5

−7.5 or 7.5

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