Question

Find the no.of terms in the A.P 1,3,5,7,............,1001

Answer 1

Answer:

501

Explanation:

Answer 2

Answer:

501

Explanation:

from the formula of AP

An=a+(n-1)d

taking the last term ie 1001 as an

therefore,

1001=a+(n-1)d

here, a=1,d=2....(given in the question)

1001=1+(n-1)2

1001=1+2n-2

1001=-1+2n

1002=2n

n=1002/2

n=501