Question

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Answer 1

Step-by-step explanation:

For 4)

18 = 2x 3 x 3

24 = 2 x 2 x 2 x 3

C F = 2 x 3

so,

H.C F = 6

and

L.CM = 6 x 3 x 2 x2

= 72 answer

For 5)

20 - 40

{ 23 , 29 , 31 ,33 , 37 }

Answer 2

Answer:

here is your answer

Step-by-step explanation:

hcf of 18 and 24 is 6 and lcm is 72

prime numbers between 20 and 40 are 23,29,31,37,41

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