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முதல் ஐந்து இயல் எண்களின் சராசரி என்ன?

A$2$
B$2.5$
C$3$
D$3.5$
Answer & Solution
Correct answer: C. $3$
கூடுதல் $= 1+2+3+4+5 = 15$. சராசரி $= \dfrac{15}{5} = 3$.
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