How many odd numbers in the the number 300?

Answer 1

It can be explained through arithmetic progression.

A.P.=1,3,5,7,...........299

first term =1 a

common difference=3-1=2 d

last term=299 an

an=a+[n-1]d

299=1+[n-1]2

299=1+2n-2

299=2n-1

300=2n

300/2=n

150=n

150 odd numbers in 300.