sritama
Consider a list of numbers between 1 and n.
How many of them are not 3 times another number on the list ?



This Question is Closed

Arnab09
Best Response
You've already chosen the best response.
2
numbers except in form 3k

sritama
Best Response
You've already chosen the best response.
0
so how will u express it??

Arnab09
Best Response
You've already chosen the best response.
2
[ ] is the greatest integer function

Arnab09
Best Response
You've already chosen the best response.
2
forget those

Arnab09
Best Response
You've already chosen the best response.
2
n[n/3]

experimentX
Best Response
You've already chosen the best response.
0
n  round up to lower integer[n/3]

Arnab09
Best Response
You've already chosen the best response.
2
greatest integer function,
if n is a real number, [n] is the greatest integer less than n
we express the fractional part as{n}
so, n=[n]+{n}