Question

यदि 5 संख्या का औसत 28 है।
जिनमें पृथम तीन का औसत 25 तथा अंतिम तीन का औसत 32 है तो तीसरी संख्या ‌बताओ।​

Answer 1

Explanation:

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48Step-by-step explanation:Let the second term be xWe are given that the first term is half of second termSo, First term = x/2We are given that The third term is twice the second termSo, Third term = 2xNow we are given that the average of 3 terms is 28So, \frac{\frac{x}{2}+x+2x}{3}=28 32x +x+2x=28x=24x=24Third term = 2x=2(24)=48Hence the third term is 48