1
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
A and B are two events such that $$\overline A $$ and $$\overline B $$ are mutually exclusive. If P(A) = 0.5 and P(B) = 0.6, then what is the value of P(A / B) ?
A
$${1 \over 5}$$
B
$${1 \over 6}$$
C
$${2 \over 5}$$
D
$${1 \over 3}$$
2
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
What is the probability that an interior point in a circle is closer to the centre than to the circumference ?
A
$${1 \over 4}$$
B
$${1 \over 2}$$
C
$${3 \over 4}$$
D
It cannot be determined
3
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
If A and B are two events, then what is the probability of occurrence of either event A or event B ?
A
P(A) + P(B)
B
P(A $$\cup$$ B)
C
P(A $$\cap$$ B)
D
P(A) P(B)
4
NDA Mathematics 1st September 2024
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
Three distinct natural numbers chosen at random from 1 to 10. What is the probability that they are consecutive?
1
1/12
2
3/40
3
1/15
4
7/120
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