101+102+......+200Ka man kitna hoga
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Sum = n/2 [2a + (n-1) d]
= 100/2 (202 + 99×1)
= 50 (301)
= 15050
n = Total no. of terms
a = First term
d = Difference [102 - 101 = 1]
digeshwardiwan93:
Tnx sir
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