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Exam Details

NDA (II) MATHEMATICS (PYSP) 2014

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Questions 120
Duration 180 mins
Package NDA & Other Exams - Previous Year Papers

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Difficulty distribution

Medium 90 75%
Hard 27 22.5%
Easy 3 2.5%

Question type distribution

Multiple Choices 120 100%

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Sample questions from this paper

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1
2014 · Unclassified
NDA (II) MATHEMATICS (PYSP) 2014
A fair coin is tossed four times. What is the probability that at most three tails occur?
A
2025-07-08 12:30:00
B
15/16
C
2025-03-04 13:30:00
D
13/16
2
2014 · Unclassified
NDA (II) MATHEMATICS (PYSP) 2014
Two students X and Y appeared in an examination. The probability that X will qualify the examination is 0.05 and Y will qualify the examination is 0.10. The probability that both will qualify the examination is 0.02. What is the probability that only one of them will qualify the examination?
A
0.15
B
0.14
C
0.12
D
0.11
3
2014 · Unclassified
NDA (II) MATHEMATICS (PYSP) 2014
The variance of 20 observations is 5. If each observation is multiplied by 2, then what is the new variance of the resulting observations?
A
5
B
10
C
20
D
40
4
2014 · Unclassified
NDA (II) MATHEMATICS (PYSP) 2014
What is the mean deviation about the mean for the data 4, 7, 8, 9, 10, 12, 13, 17?
A
2.5
B
3
C
4
D
3.5
5
2014 · Unclassified
NDA (II) MATHEMATICS (PYSP) 2014
If and are the means of two distributions such that and is the mean of the combined distribution, then which one of the following statements is correct?
A
B
C
D
6
2014 · Unclassified
NDA (II) MATHEMATICS (PYSP) 2014
There are 4 white and 3 black balls in a box. In another box, there are 3 white and 4 black balls. An unbiased dice is rolled. If it shows a number less than or equal to 3, then a ball is drawn from the second box, otherwise from the first box. If the bail drawn is black, then the probability that the ball was drawn from the first box is
A
2025-01-02 13:30:00
B
2025-06-07 12:30:00
C
2025-04-07 12:30:00
D
2025-03-07 13:30:00