ibidnnudny990 ibidnnudny990

11-01-2024
Mathematics

contestada

The number of different ways in which five ‘dashes’ and eight ‘dots’ can be arranged, using only seven of these 13 ‘dashes’ & ‘dots’ is
(A) 128
(B) 119
(C) 120
(D) 123
(E) 125

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