1
NDA Mathematics 14 November 2021
MCQ (Single Correct Answer)
+2.5
-0.83
Direction: Consider the following for the next two (02) items that follow.
The marks obtained by 60 students in a certain subject out of 75 are given below:
Marks | Number of Students |
15 - 20 | 4 |
20 - 25 | 5 |
25 - 30 | 11 |
30 - 35 | 6 |
35 - 40 | 5 |
40 - 45 | 8 |
45 - 50 | 9 |
50 - 55 | 6 |
55 - 60 | 4 |
60 - 65 | 2 |
What is the mode?
2
NDA Mathematics 14 November 2021
MCQ (Single Correct Answer)
+2.5
-0.83
What is the mean of natural numbers in the interval [15, 64]?
3
NDA Mathematics 14 November 2021
MCQ (Single Correct Answer)
+2.5
-0.83
For the set of numbers x, x, x + 2, x + 3, x + 10 where x is a natural number, which of the following is/are correct?
1. Mean > Mode
2. Median > Mean
Select the correct answer using the code given below.
4
NDA Mathematics 14 November 2021
MCQ (Single Correct Answer)
+2.5
-0.83
The mean of 10 observations is 5.5. If each observation is multiplied by 4 and subtracted from 44, then what is the new mean?
Paper analysis
Total Questions
Mathematics
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