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`        The sum 1+3+5+7+...........+29+30+31+32+..........+60=  Please explain `
10 months ago

Arun
22559 Points
```							Dear student we haveve formula of sum of n natural numbers from starting sigma n = n (n +1 ) /2 hence put n = 60  = 60 * 61/2 = 30* 61 = 1830
```
10 months ago
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### Course Features

• 731 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions