1
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If the constant term in the expansion of $${\left( {\sqrt x - {k \over {{x^2}}}} \right)^{10}}$$ is 405, then what can be the values of k?
A
$$\pm$$ 2
B
$$\pm$$ 3
C
$$\pm$$ 5
D
$$\pm$$ 9
2
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
What is the number of terms in the expansion of $${[{(2x - 3y)^2}{(2x + 3y)^2}]^2}$$ ?
A
4
B
5
C
8
D
16
3
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
In the expansion of (1 + ax)n, the first three terms are respectively 1, 12x and 64x2. What is n equal to?
A
6
B
9
C
10
D
12
4
NDA Mathematics 1st September 2024
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
In the expansion of (1 + x)p (1 + x)q, if the coefficient of x3 is 35, then what is the value of (p + q)? 
1
5
2
6
3
7
4
8
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12