white and black Birds r sitting in a telephone wire.At least one from white and one from black.Color must repeat after every 4 and 7 birds. What is the max no of arrangement.
Maths is just like a stone if u will uttern it therefore u can acheive the zenith of success but if u will not in that case it will become headache for u...
Akanksha
mathematics is very useful for us.this is truely motivation subject.i really appreciate.