Question

the sum of all odd numbers between 2 to 1000 which are divisible by 3? ​

Answer 1

Find the sum of all odd number divisible by 3 between 1 and 1000 Get the ... common \: difference (d)=a_{2}-a_{1 .

59 votes

3 +9 +15 + ... + 999 = 999 =3 +(n-1)6 999 =6n -3 6n =1002 n=167 S =n/2(a1 +a167) =167/2(3 ... More