Question

in each case.
18. Determine the lowest common denominator for the given fractions:
3 9 3
8' 13' 19
19. Find the HCF of the given numbers:
540, 744
20. Given that HCF of two numbers is 13 and their product is 9126, determine their LCM.
Level 3
21. Can two numbers have 20 as their HCF and 215 as their LCM?
22. Determine the two numbers nearest to 10,000 which are exactly divisible by 2, 3, 4, 5, 6
and 7.
23. The length and breadth of the floor of a room is 9 m and 6 m which is to be paved with
marble square stone tiles of size 75 cm. Find the least number of
Square tiles

Answer 1

Answer:

19-..

540=2×2×3×3×3×5

744=2×2×2×3×31