EM-2470
Primes, HCF and LCM
E Math · Secondary 4 · Medium · Primes, HCF and LCM
A number of pens and markers are to be packed into identical sets. There are 84 pens and 126 markers.
What is the greatest number of identical sets that can be made if all pens and markers are used?
What is the greatest number of identical sets that can be made if all pens and markers are used?
- 21
- 28
- 42
- 63
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.