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28 Jun 2018, 11:04
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Question Stats:
67% (01:59) correct
33%
(02:08)
wrong
based on 261
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Mani, Sani and Karna have x, y and z number of chocolates respectively. Does Sani have the average of the total number of chocolates among all three?
(1) y is 20% more than z and 25% less than x.
(2) x = 32.
(1) y is 20% more than z and 25% less than x.
(2) x = 32.
28 Jun 2018, 19:27
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Mani, Sani and Karna have x, y and z number of chocolates respectively. Does Sani have the average of the total number of chocolates among all three?
Is x+z=2y??
(1) y is 20% more than z and 25% less than x.
Since it gives us a ratio between 3, should be sufficient..
Let z=100, y=120% of 100=120
Also y=75% of X.....120=75% of X
X=120*4/3=160
So 100,120,160
Y is not the average
Sufficient
(2) x = 32.
Nothing about others
Insufficient
A
Is x+z=2y??
(1) y is 20% more than z and 25% less than x.
Since it gives us a ratio between 3, should be sufficient..
Let z=100, y=120% of 100=120
Also y=75% of X.....120=75% of X
X=120*4/3=160
So 100,120,160
Y is not the average
Sufficient
(2) x = 32.
Nothing about others
Insufficient
A
