Question

= H.C.F of 20, 50, 90 ?

Answer 1

Answer: 10

Step-by-step explanation: 20 =2 x 2 x 5

                                             50= 2 x 5 x 5

                                             90=2 x 3 x 3 x 5

Therefore HCF= 2 x 5=10

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Answer 2

Answer:

10

20 = 1, 2, 4,5,10,20

50=1,2,5,10,25,50

90=1,2,3,5,6,9,10,15,18,30,45,90

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