Class 11 Maths 2021 Local MCQs Test

ByMuhammad Zaman June 29, 2022October 28, 2022

FBISE Federal Board Class 11 Maths 2021 Local MCQs Test. Do as much practice as you can so that you get good marks in the final exams.

Class 11 Past Papers | Class 11 Maths MCQs Tests

2021 Local MCQs Test

/20

Class 11 Maths
Paper 2021 Local
Practice MCQs Test

1 / 20

The determinant of a matrix \( \begin{bmatrix} k&k&k\\ k&k&k\\ k&k&k\\\end{bmatrix} \) is equal to:

Zero

k³

2 / 20

For what value of x matrix \( \begin{bmatrix} {x+4}&{3x}\\ 3&5\\ \end{bmatrix} \) has no inverse.

-10/7

-5

3 / 20

If 1 is a positive GM between secθ and cosecθtanθ then value of θ is:

45°

0°

60°

30°

4 / 20

In how many ways can 5 persons be seated at a round?

\( 4! \)

\( \frac{1}{2} 4! \)

\( 5! \)

\( \frac{1}{2} 5! \)

5 / 20

Which of the following represent cos(x + 60°) + cos(x – 60°)?

Zero

\( cosx \)

\( \sqrt{3}cosx \)

\( cos2x \)

6 / 20

The last term in the expansion of \( (a – \sqrt{b})^{12} \) is:

\( b^{8} \)

\( b^{13} \)

\( b^{6} \)

\( b^{11} \)

7 / 20

What is the inverse of a conditional p → q?

- q → - p

- p → - q

q → p

- p → q

8 / 20

Which of the following is a remainder when \( (x^{6} - \sqrt{2} x) \) is divided by \( (x - \sqrt{2}) \)?

-10

-2

9 / 20

How many signals can be given by lights of different colours, using 3 lights at a time?

⁵C₃

⁵P₃

10 / 20

What is the area of a triangle ABC having \( b=\sqrt{3}, c=\sqrt{12} \) and α=30°

\( \frac{3\sqrt{3}}{2} \)

\( \frac{3}{2} \)

\( 3\sqrt{3} \)

11 / 20

One solution of an equation (sinx+cosx)² is:

\( \frac{3\pi}{2} \)

\( -\frac{\pi}{4} \)

2π

\( \frac{\pi}{4} \)

12 / 20

Which of the following angles is coterminal with 480°?

120°

– 30°

150°

60°

13 / 20

For what angular value of θ, a point \( (\sqrt{3}, 1) \) lies on its terminal side?

\( \frac{π}{6} \)

\( \frac{π}{3} \)

\( \frac{π}{4} \)

\( \frac{π}{2} \)

14 / 20

The modulus of a complex number \( 8{i}(\sqrt{8} { i} + 1) \) is:

\( 8\sqrt{-7} \)

576

-448

15 / 20

If –1 is a root of x³+ px² – x + 2 = 0 then value of p is equal to:

– 2

– 4

16 / 20

The period of \( cot(\frac{x}{2}) \) is:

\( \pi \)

\( 2\pi \)

\( 4\pi \)

\( – 2\pi \)

17 / 20

Which of the following represents \( (-i)^{19} \) ?

\( -i \)

\( i \)

-1

18 / 20

What does sin(π+sin^-1 x) stand for?

– πx

– x

πx

19 / 20

If A,H are the AM, HM between 6 and 8 then A.H is:

\( \frac{1}{7} \)

\( \frac{161}{24} \)

\( \frac{22}{7} \)

20 / 20

\( -\frac{3}{x} \) + \( \frac{2}{x+1} \) are the partial fractions of:

–\( \frac{x+3}{x(x+1)} \)

\( \frac{x–3}{x(x+1)} \)

\( \frac{x+3}{x(x+1)} \)

\( \frac{3–x}{x(x+1)} \)

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