OG DS 133

[mundasingh123]

133. Are all of the numbers in a certain list of 15 numbers
equal?
(1) The sum of all the numbers in the list is 60.
(2) The sum of any 3 numbers in the list is 12.
The solution provided in the OG is tedious.Is there an easier , more concise solution to this DS

[Anurag@Gurome]

133. Are all of the numbers in a certain list of 15 numbers equal?
(1) The sum of all the numbers in the list is 60.
(2) The sum of any 3 numbers in the list is 12.

Refer to the post here : https://www.beatthegmat.com/from-og-12-t ... tml#331295

[mundasingh123]

133. Are all of the numbers in a certain list of 15 numbers equal?
(1) The sum of all the numbers in the list is 60.
(2) The sum of any 3 numbers in the list is 12.

Refer to the post here : https://www.beatthegmat.com/from-og-12-t ... tml#331295

Thankyou Anurag