1
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
What is the arithmetic mean of 50 terms of an AP with first term 4 and common difference 4 ?
A
50
B
51
C
100
D
102
2
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

Consider the following data for the next three (03) items that follow :

The marks obtained by 51 students in a class are in AP with its first term 4 and common difference 3.

What is the mean of the marks ?
A
67
B
71
C
75
D
79
3
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

Consider the following data for the next three (03) items that follow :

The marks obtained by 51 students in a class are in AP with its first term 4 and common difference 3.

What is the median of the marks?
A
79.5
B
77.5
C
78.5
D
79
4
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language

Consider the following data for the next three (03) items that follow :

The marks obtained by 51 students in a class are in AP with its first term 4 and common difference 3.

What is the sum of the deviations measured from the median?
A
-1
B
0
C
1
D
2
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