Answers

2014-03-20T19:32:46+05:30
See it can be solve by an = a + (n-1)d
formula
3 3 3
2014-03-20T19:37:06+05:30
First find the sum of all the nos. lying between 100-200 using formula
Sn = n/2{2a+(n-1)d}
then subtract the sum of all the nos. divisible by 5.
u will get the required answer.
0