Question

Find the no: of even positive numbers which have 3 digits

Answer 1

Answer:

450

Step-by-step explanation:

AP- 100,102,104...998.

a= 100, an= 998 n= ?, d= 2

an= a+(n-1)d

998=100+(n-1)2

898=(n-1)2

n-1=449

n=450.