CBSE Past Year MCQ Quiz

Question 1 of 3

CBSE Board Exam 2026

For \(\mathrm{f}(x)=x+\frac{1}{x}(x \neq 0)\)

A local maximum value is 2 B local minimum value is -2 C local maximum value is -2 D local minimum value < local maximum value

Select one option. Answers are shown after the test.

Question 2 of 3

CBSE Board Exam 2024

The point of inflexion of a function \(f(x)\) is the point where

A \(f^{\prime}(x)=0\) and \(f^{\prime}(x)\) changes its sign from positive to negative from left to right of that point. B \(f^{\prime}(x)=0\) and \(f^{\prime}(x)\) changes its sign from negative to positive from left to right of that point. C \(f^{\prime}(x)=0\) and \(f^{\prime}(x)\) does not change its sign from left to right of that point. D \(\mathrm{f}^{\prime}(\mathrm{x}) \neq 0\).

Select one option. Answers are shown after the test.

Question 3 of 3

CBSE Board Exam 2025

The function \(\mathrm{f}(x)=x^2-4 x+6\) is increasing in the interval

A \((0,2)\) B \((-\infty, 2]\) C \([1,2]\) D \([2, \infty)\)

Select one option. Answers are shown after the test.

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