1
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
If two dice are thrown, then what is the probability that the sum on the two faces is greater than or equal to 4?
A
$${13 \over {18}}$$
B
$${5 \over {6}}$$
C
$${11 \over {12}}$$
D
$${35 \over {36}}$$
2
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
A certain type of missile hits the target with probability p = 0.3. What is the least number of missiles should be fired, so that there is at least an 80% probability that the target is hit?
A
5
B
6
C
7
D
None of these
3
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
For two mutually exclusive events A and B, P(A) = 0.2 and P($$\overline A $$ $$\cap$$ $$\overline B $$) = 0.3. What is P(A / (A $$\cup$$ B)) equal to ?
A
$${1 \over 2}$$
B
$${2 \over 5}$$
C
$${2 \over 7}$$
D
$${2 \over 3}$$
4
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
What is the probability of 5 Sunday in the month of December ?
A
1/7
B
2/7
C
3/7
D
None of these
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