Find LCM of $9$ and $18$.

Q. LCM of $81,18$ and $36$ is

Q. Find LCM of
$12,18$ and $24$.

Q.

Find the median of the data given in descending order.

35, 30, 28, 19, 18, 12, 9, 8, 6

A. 18 B. 19

C. 12 D. 35

Q.

Find the LCM of 12, 15 and 18 using prime factorisation method.

Q. Find the LCM and HCF of the following integers by expressing them as product of primes $18,81$ and $108$.