JEE Main2002MathematicsSequences and SeriesActual
The sum of integers from 1 to 100 that are divisible by 2 or 5 is
Options
- A3000
- B3050
- C3600
- D3250
Correct answer
B. 3050
Step-by-step solution
Required sum =(2+4+6+ +100)+(5+10+15+ +100)-(10+20+ . .+100)=2550+1050-530=3050