Question

Two numbers are in the ratio of 20:21.If their H.C.F. is 5, then what are the numbers?

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

let the numbers be 20x and 21x

lcm of 21x and 20x =21×20×x

hcf of 21x and 20x = 5

WE KNOW THAT

HCF ×LCM = PRODUCT OF NUMBERS

21×20×x×5= 21x × 20x

2100×x= 420x

2100=420x/x