1
WB JEE 2009
MCQ (Single Correct Answer)
+1
-0.25

A polygon has 44 diagonals. The number of the sides is

A
10
B
11
C
12
D
13
2
WB JEE 2010
MCQ (Single Correct Answer)
+1
-0.25

The number of permutations by taking all letters and keeping the vowels of the word COMBINE in the odd places is

A
96
B
144
C
512
D
576
3
WB JEE 2010
MCQ (Single Correct Answer)
+1
-0.25

If $${}^{n - 1}{C_3} + {}^{n - 1}{C_4} > {}^n{C_3}$$, then n is just greater than integer

A
5
B
6
C
4
D
7
4
WB JEE 2011
MCQ (Single Correct Answer)
+1
-0.25

If $${}^n{C_4}$$, $${}^n{C_5}$$ and $${}^n{C_6}$$ are in A.P., then n is

A
7 or 14
B
7
C
14
D
14 or 21
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