exam
Maths Puzzle
From 6 men and 4 ladies, a committee of 5 is to be formed. In how many ways can this be done, if the committee is to include at least one lady?
A.
246
B.
340
C.
290
D.
315
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exam Other Question
There are 7 non-collinear points. How many triangles can be drawn by joining these points?
A.
35
B.
10
C.
8
D.
7
A question paper consists of three sections 4,5 and 6 questions respectively. Attempting one question from each section is compulsory but a candidate need not attempt all the questions. In how many ways can a candidate attempt the questions?
A.
209
B.
(4!-1)(5!-1)(6!-1)
C.
119
D.
29295