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Anshika Goyal

· started a discussion

· 1 Months ago

correct answer is 8kg (Question: 218816.0 )

let the members be a,b,c,d,e.
member , wt of each , new total wt , new average
a x x x
b x+2 2x+2 x+1
c x+4 3x+6 x+2
d x+6 4x+12 x+3
e x+8 5x+20 x+4

Question:
5 members of a team are weighed consecutively and their average weight calculated after each member is weighed. If the average weight increases by one kg each time, how much heavier is the last member than the first one?
Options:
A) 14 kg.
B) 20 kg.
C) 8 kg.
D) 5 kg.
Solution:

Ans.(c)


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