1
JEE Main 2015 (Offline)
+4
-1
The number of integers greater than 6,000 that can be formed, using the digits 3, 5, 6, 7 and 8, without repetition, is:
A
120
B
72
C
216
D
192
2
JEE Main 2013 (Offline)
+4
-1
Let $${T_n}$$ be the number of all possible triangles formed by joining vertices of an n-sided regular polygon. If $${T_{n + 1}} - {T_n}$$ = 10, then the value of n is :
A
7
B
5
C
10
D
8
3
JEE Main 2013 (Offline)
+4
-1
Let A and B be two sets containing 2 elements and 4 elements respectively. The number of subsets of A $$\times$$ B having 3 or more elements is -
A
219
B
211
C
256
D
220
4
AIEEE 2012
+4
-1
Assuming the balls to be identical except for difference in colours, the number of ways in which one or more balls can be selected from 10 white, 9 green and 7 black balls is:
A
880
B
629
C
630
D
879
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