Question

what is the greatest 4 digit square number that is divisible by 12 18 and 30
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Answer 1

Answer:

HCF of 12,18 and 30

= 3 x 2 x 2 x 3 x 5

= 180

180 is divisible by 12,18 and 30

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Answer 2

Answer:

9900

Step-by-step explanation:

we know that greatest number of 4-digit:9999

L.C.M of 12,18,30:180

now divide the largest 4digit no. with the lcm got

9999/180

9999:180*55+99

substract 9999-99

and:9900