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اگر 4، 6، x اور 10 کا اوسط 7 ہے، تو x کی قدر کیا ہے؟

A8
B9
C7
D6
Answer & Solution
Correct answer: A. 8
کل 28، اور 4 + 6 + 10 = 20 x = 8 چھوڑتا ہے۔
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