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Maths Puzzle
Logical Reasoning
Direction Sense
A set of 15 different words are given. In how many ways s it possible ot choose a subset of not more than 5 words.
A)4944
B)4^15
C)15^4
D)4943
Read Solution (Total 2)
-
15C0 (empty subset) + 15C1 (choosing 1 word) + 15C2 (choosing 2 words) + 15C3 (choosing 3 words) + 15C4 (choosing 4 word)+ 15C5 (choosing 5 words) =4944- 9 years agoHelpfull: Yes(1) No(0)
- A) 4944
one word => 15C1
two words => 15C2
three words => 15C3
four words => 15C4
five words => 15C5
Total ways = 15C1 + 15C2 + 15C3 + 15C4 + 15C5 = 4944 ways - 11 years agoHelpfull: Yes(0) No(4)
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