EM-2473
Primes, HCF and LCM
E Math · Secondary 4 · Medium · Primes, HCF and LCM
A school orders 72 red balloons and 90 blue balloons for an event.
What is the smallest possible number of balloons that must be added so that the total number of balloons is a perfect square?
What is the smallest possible number of balloons that must be added so that the total number of balloons is a perfect square?
- 7
- 1440
- 1638
- 1728
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