Given 5 different green dyes, four different blue dyes, and three different red dyes, the number of combinations of dyes that can be chosen, taking at least one green and one blue dye, is:
(a) 3600
(b) 3720
(c) 3800
(d) 3600
[Hint: Possible numbers of choosing or not choosing 5 green dyes, 4 blue dyes, and 3 red dyes are
, respectively.]
Given 5 different green dyes, four different blue dyes, and three different red dyes, the number of combinations of dyes that can be chosen, taking at least one green and one blue dye, is:
(a) 3600
(b) 3720
(c) 3800
(d) 3600
[Hint: Possible numbers of choosing or not choosing 5 green dyes, 4 blue dyes, and 3 red dyes are , respectively.]
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1 Answer
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This is an Objective Type Questions as classified in NCERT Exemplar
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