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త్రికోణ సంఖ్యలు 6 మరియు 10ల మొత్తం ఏ వర్గ సంఖ్య అవుతుంది?

A18
B16
C14
D20
Answer & Solution
Correct answer: B. 16
రెండు వరుస త్రికోణ సంఖ్యల మొత్తం ఒక వర్గం అవుతుంది, మరియు 6 + 10 = 16, ఇది 4 యొక్క వర్గం.
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