C. 80 / 80
ExplanationStep 1: In the GP a = 5 and r = 2. Step 2: a5 = ar^4 = 5×16 = 80. Step 3: The nth term of a GP is ar^(n-1).
Step 1: GP में a = 5 और r = 2 है। Step 2: a5 = ar^4 = 5×16 = 80। Step 3: GP nth term ar^(n-1) होता है।
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