1
NDA Mathematics 14th September 2025
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
For the following two (02) items:
Let ( 6 + 10 + 14 +... up to m terms) =( 1 + 3 + 5 + 7 +... up to n terms)
where m < 25 and n < 25
What is the relation between m and n?
1
$n ^ 2 = m(m + 1)$
2
$n ^ 2 = m(m + 2)$
3
$ n ^ 2 = 2m(m + 1)$
4
$n ^ 2 = 2m(m + 2)$
2
NDA Mathematics 14th September 2025
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
For the following two (02) items:
Let ( 6 + 10 + 14 +... up to m terms) =( 1 + 3 + 5 + 7 +... up to n terms)
where m < 25 and n < 25
How many values of m are possible?
1
None
2
One
3
Two
4
More than two
3
NDA Mathematics 14th September 2025
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
What is the sum of the binary numbers $(10110110) _2$ and $( 10001 1) _2$
 
1
 $ (110110001)_2 $
2
$ ( 1 10001 000) _2$
3
$( 1 100001 00) _2$
4
$(100100000) _2$
4
NDA Mathematics 14th September 2025
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
What is the harmonic mean of the numbers C(10,3) C(10,4) C(10,5) C(10,6) and C(10,7) ?
1
3150/19
2
4000/19
3
252
4
225