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Sum of 1 to 40 is?
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Answer / abhinav pratap
sum = n(n+1)/2
so, sum of 1 to 40 = 40(40+1)/2 = 20*21 = 820
| Is This Answer Correct ? | 2 Yes | 0 No |
A=1 B=2 C=3 D=4 E=5 . F=10 G=20 H=30 I=40 J=50 . K=100 L=200 M=300 N=400 O=500 P=1000 Q=2000 R=3000 S=4000 T=5000 U= 10000 V=20000 W=30000 X=40000 Y=50000 Z=100000
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