EM-2802
Primes, HCF and LCM
E Math · Secondary 4 · Hard · Primes, HCF and LCM
A rectangular tank measures 144 cm by 96 cm by 72 cm.
It is to be completely filled with identical, largest possible cubes.
(a) Find the largest possible length of each cube edge.
(b) Hence, find how many such cubes fit exactly into the tank.
It is to be completely filled with identical, largest possible cubes.
(a) Find the largest possible length of each cube edge.
(b) Hence, find how many such cubes fit exactly into the tank.
- Edge 24 cm; 72 cubes
- Edge 12 cm; 288 cubes
- Edge 16 cm; 54 cubes
- Edge 24 cm; 36 cubes
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