Question
Download Solution PDFThe average weight of Ashish, Kiran and Mahesh is 46 kg. If the average weight of Ashish and Kiran be 40 kg and that of Kiran and Mahesh be 43 kg, then the weight of Kiran (in kg) is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Avg(Ashish, Kiran, Mahesh) = 46 ⇒ (A + K + M)/3 = 46
Avg(Ashish, Kiran) = 40 ⇒ (A + K)/2 = 40
Avg(Kiran, Mahesh) = 43 ⇒ (K + M)/2 = 43
Formula used:
Use the average formulas to form equations
Calculations:
⇒ A + K + M = 138 …(1)
⇒ A + K = 80 …(2)
⇒ K + M = 86 …(3)
From (1): substitute (2) and (3)
⇒ (A + K) + M = 138 ⇒ 80 + M = 138 ⇒ M = 58
Now from (3): K + 58 = 86 ⇒ K = 28
∴ Weight of Kiran = 28 kg
Last updated on Jul 7, 2025
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