alleryనాలుగు పదాల శ్రేణి 7 తో ప్రారంభమై ప్రతి దశలో 3 చొప్పున తగ్గుతుంది. చివరి పదం ఏది?
A-1
B-2
C-3
D4
Answer & Solution
Correct answer: B. -2
పదాలు 7, 4, 1, -2 గా ఉంటాయి, కాబట్టి నాల్గవ పదం -2.
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