1
NDA Mathematics 14th September 2025
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
For the following two (02) items:
Let the function f(x) = |x - 3| + |x - 4| be defined on the interval [0, 5].

Consider the following statements:

I. The function is differentiable at x = 3

II. The function is differentiable at x = 4

Which of the statements given above is/are correct?

1
 I only
2
 II only
3
Both I and II
4
Neither I nor II
2
NDA Mathematics 13 April 2025
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language

Consider the following for the two (02) items that follow:

$\text{Let } f(x)= \begin{cases} x^3, & x^2 < 1 \\ x^2, & x^2 \ge 1 \end{cases} \\$

What is  $\lim_{x \to 0} f'(x)$ equal to?
A
2
B
1
C
0
D
 Limit does not exist
3
NDA Mathematics 13 April 2025
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language

Consider the following for the two (02) items that follow:

$\text{Let } f(x)= \begin{cases} x^3, & x^2 < 1 \\ x^2, & x^2 \ge 1 \end{cases} \\$

Consider the following statements:

I. The function is continuous at .

II. The function is differentiable at .

Which of the statements given above is/are correct?

A
I only
B
II only
C
Both I and II
D
Neither I nor II
4
NDA Mathematics 13 April 2025
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
Consider the following for the two (02) items that follow: Let the function , where [] is the greatest integer function and .
What $\lim_{x \to 0} {f(x) g(x)}$ is  equal to?
A
-1
B
0
C
1
D
Limit does not exist