I have problem in solving following DS questions from SET1 (I don't know the source of this). Can anyone help me in resolvign them?
DS Questions: Need help
The results of a certain experiment included 6 data values that were all multiples of the same number c, namely, c, 8c, 2c, 5c, 4c, and 4c. Was the average (arithmetic mean) of the 6 data values greater than 8?
(1) c < 4
(2) c > 2
I want to advice you. Please do not get me wrong, this was an easy question. On real Gmat you will face tricky DS quant questions. I think you need to brush up your quant concepts using MGMAT guides
, especially Number properties. Its good to build concepts first. After that start practicing.
I wish you good luck.
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