B. 54 / 54
ExplanationStep 1: In the AP a = 5 and d = 7. Step 2: a8 = a + 7d = 5 + 49 = 54. Step 3: In nth term add d n-1 times.
Step 1: AP में a = 5 और d = 7 है। Step 2: a8 = a + 7d = 5 + 49 = 54। Step 3: nth term में d को n-1 बार जोड़ते हैं।
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