Questions and Solutions

Class: 12 Subject: Math Type: Mcq Year: 2022

Question 1:

The minimum value of \(3x^2 + 18x + 33\) is:

  • A. 0
  • B. 33
  • C. -15
  • D. -3
Class: 12 Subject: Math Type: Mcq Year: 2022

Question 2:

The maximum value of \(x^2 - 2x + 2\) in the interval \([0, 2]\) is:

  • A. 1
  • B. 2
  • C. 4
  • D. 5
Class: 12 Subject: Math Type: Mcq Year: 2023

Question 3:

If the radius of a circle is increasing at the rate of \(0.5 \text{ cm/s}\), then the rate of increase of its circumference is:

  • A. \(\frac{2\pi}{3}\text{ cm/s}\)
  • B. \(\pi\text{ cm/s}\)
  • C. \(2\pi\text{ cm/s}\)
  • D. \(\frac{4\pi}{3}\text{ cm/s}\)