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Set A consists of 30 numbers, the average of which is 60. Se
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16 Oct 2017, 08:29
16 Oct 2017, 08:29
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Question Stats:
75% (01:01) correct
25% (00:48) wrong based on 4 sessions
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Set A consists of 30 numbers, the average of which is 60. Set B consists of 29 numbers, the average of which is 70.
(A) The quantity in Column A is greater
(B) The quantity in Column B is greater
(C) The two quantities are equal
(D) The relationship cannot be determined from the information given
Kudos for correct solution.
Quantity A |
Quantity B |
The average of Set A and B |
65 |
(A) The quantity in Column A is greater
(B) The quantity in Column B is greater
(C) The two quantities are equal
(D) The relationship cannot be determined from the information given
Kudos for correct solution.
Re: Set A consists of 30 numbers, the average of which is 60. Se
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16 Oct 2017, 09:21
16 Oct 2017, 09:21
1
We are asked for a weighted average, thus the mean of set A and B is \(\frac{30*60+29*70}{59} = 64.92\).
Then column B is greater
Then column B is greater
gmatclubot
Re: Set A consists of 30 numbers, the average of which is 60. Se [#permalink]
16 Oct 2017, 09:21
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