1
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the function $$f(x) = {{27({x^{2/3}} - x)} \over 4}$$.
How many solutions does the function f(x) = $$-$$ 1 have?
A
One
B
Two
C
Three
D
Four
2
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The inverse of the function y = 5ln x is
A
$$x = {y^{{1 \over {\ln 5}}}},y > 0$$
B
$$x = {y^{\ln 5}},y > 0$$
C
$$x = {y^{{1 \over {\ln 5}}}},y < 0$$
D
$$x = {5^{\ln x}},y > 0$$
3
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The function f(x) = | x | $$-$$ x3 is
A
odd
B
even
C
both even and odd
D
neither even nor odd
4
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If x is any real number, then $${{{x^2}} \over {1 + {x^4}}}$$ belongs to which one of the following intervals?
A
(0, 1)
B
$$\left[ {0,{1 \over 2}} \right]$$
C
$$\left( {0,{1 \over 2}} \right)$$
D
[0, 1]
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