(B) श्रेणी 76, 72, 68, 64, ... का कौन-सा पद शून्य है ?
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Step-by-step explanation:
0 = 76 + (n-1)-4
4(n-1) = 76
n-1 = 19
n = 20
अतः 20वां पद शून्य होगा ।
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