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`        (1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50)2. solve`
3 months ago

Arun
23359 Points
```							Dear student first calculate sum of 1 to 50 numbers = 50 * 51/2 = 1275 Now we square (1275)2 = 1275 * 1275 = 1625625 Hope it helps RegardsArun
```
3 months ago
Vikas TU
9801 Points
```							Dear student The sum of n terms of natural number = n(n+1) /2 So the number is upto n , Sum = 50 * 51 /2 = 1275 Now you can take square of this (1275)^2 will be the ans ,So, (1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50)2. = 1625625Hope this helps Good Luck
```
3 months ago
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### Course Features

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