Question

what is the least number of apples a teacher should have so that when she distributes equal numbers of them to her 10 , 15 , and 25 students .no apple is left .

Answer 1

Take The L.C.M. of 10,15and 25

Then we get factors

=>5×2×5×3

so answer will be 150

Teacher should have minimum 150 apples.

Answer 2

we need to find LCM of 10 15 and 25
10 = 5×2
15= 5×3
25= 5×5

so lcm iss 5 ×2×3×5= 150

So a teacher must have 150 apples