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$5, 10, 15, 20$ और $25$ का औसत ज्ञात कीजिए।

A$12$
B$14$
C$15$
D$17$
Answer & Solution
Correct answer: C. $15$
योग $= 5+10+15+20+25 = 75$. औसत $= \dfrac{75}{5} = 15$.
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