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Numerical Ability
Averages
find the average of reciprocals of x and y :
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- reciprocals of x and y = 1/x,1/y
avg of reciprocals of x and y = (1/x + 1/y)/2
=(x+y/xy)/2
=(x+y)/2xy - 13 years agoHelpfull: Yes(7) No(0)
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