1
JEE Main 2019 (Online) 12th April Morning Slot
+4
-1
The number of ways of choosing 10 objects out of 31 objects of which 10 are identical and the remaining 21 are distinct, is :
A
220 - 1
B
220
C
220 + 1
D
221
2
JEE Main 2019 (Online) 10th April Evening Slot
+4
-1
Suppose that 20 pillars of the same height have been erected along the boundary of a circular stadium. If the top of each pillar has been connected by beams with the top of all its non-adjacent pillars, then the total number of beams is :
A
180
B
210
C
170
D
190
3
JEE Main 2019 (Online) 10th April Morning Slot
+4
-1
The number of 6 digit numbers that can be formed using the digits 0, 1, 2, 5, 7 and 9 which are divisible by 11 and no digit is repeated is :
A
36
B
60
C
72
D
48
4
JEE Main 2019 (Online) 9th April Morning Slot
+4
-1
A committee of 11 members is to be formed from 8 males and 5 females. If m is the number of ways the committee is formed with at least 6 males and n is the number of ways the committee is formed with at least 3 females, then :
A
n = m – 8
B
m = n = 78
C
m + n = 68
D
m = n = 68
EXAM MAP
Medical
NEET