1
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
A fair coin is tossed 100 times. What is the probability of getting tails an odd number of times ?
A
1/2
B
3/8
C
1/4
D
1/8
2
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Three dice are thrown simultaneously. What is the probability that the sum on the three faces is at least 5 ?
A
$${{17} \over {18}}$$
B
$${{53} \over {54}}$$
C
$${{103} \over {108}}$$
D
$${{215} \over {216}}$$
3
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Two independent events A and B have P(A) = $${1 \over 3}$$ and P(B) = $${3 \over 4}$$. What is the probability that exactly one of the two events A or B occurs?
A
1/4
B
5/6
C
5/12
D
7/12
4
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
A coin is tossed three times. What is the probability of getting head and tail alternately?
A
1/8
B
1/4
C
1/2
D
3/4
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