Question

If two positive integers p and q can be expressed as p = 18 a²b⁴ and q = 20 a³b², where a and b are prime numbers, then LCM (p, q) is :

In a teachers' workshop, the number of teachers teaching French, Hindi and English are 48, 80 and 144 respectively. Find the minimum number of rooms required if in each room the same number of teachers are seated and all of them are of the same subject.