Question

Solve.
At two different road crossings, the traffic lights change every 60 seconds and 120
seconds, respectively. If they change together at 8:30 a.m., when will they change at
the same time once again?
Nikhil is sticking rectangular shapes with the dimensions 15 cm x 80 cm on a
square board. If he has to completely cover the square board with the rectangular
shapes, what is the smallest possible length of the side of the square board?
Solve it.​

Answer 1

Answer:

thank...................you........