1.

The ratio of two numbers is 4 ∶ 5 and LCM is 100. The two numbers are1. 20, 252. 30, 403. 40, 504. None of the above

Answer» Correct Answer - Option 1 : 20, 25

Given:

The ratio of two numbers = 4 ∶ 5

LCM of numbers = 100

Formula used:

Product of two number = H.C.F × L.C.M

Calculations:

Let the number be 4x and 5x 

HCF of the numbers = x

100 × x = 4x × 5x

⇒ 5 = x

Hence the two numbers are 4 × 5 and 5 × 5 = 20, 25

∴ The required numbers are 20 and 25



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