alleryचार पदों वाली एक श्रेणी 7 से शुरू होती है और प्रत्येक चरण में 3 घटती जाती है। अंतिम पद क्या है?
A-1
B-2
C-3
D4
Answer & Solution
Correct answer: B. -2
श्रेणी के पद 7, 4, 1, -2 हैं, अतः चौथा पद -2 है।
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