Find the number of ways to p...
Find the number of ways to place three black pawns on a chessboard.Correct answers: 23
The first user who solved this task is Neelima Subrahmanyam.
#brainteasers #math
Henri DuveyrierDied 25 Apr 1892 at age 52 (born 28 Feb 1840).French explorer who contributed to African ethnology with his study of the Tuareg people of the Sahara. He travelled through the region south of the Atlas Mountains, between Morocco and Tunisia. There he spent months living with the Tuareg, a pastoral people, observing their customs, speech, and their interest in poetry.« |