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

What does sin(π+sin^-1 x) stand for?

πx

– x

– πx

2 / 20

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

⁵P₃

⁵C₃

3 / 20

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

-10/7

-5

4 / 20

What is the inverse of a conditional p → q?

- q → - p

- p → q

- p → - q

q → p

5 / 20

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

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

\( 3\sqrt{3} \)

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

6 / 20

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

-10

-2

7 / 20

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

\( 8\sqrt{-7} \)

-448

576

8 / 20

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

\( \pi \)

\( 2\pi \)

\( 4\pi \)

\( – 2\pi \)

9 / 20

Which of the following angles is coterminal with 480°?

– 30°

120°

60°

150°

10 / 20

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

Zero

k³

11 / 20

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

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

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

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

12 / 20

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

– 4

– 2

13 / 20

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

\( \frac{π}{2} \)

\( \frac{π}{6} \)

\( \frac{π}{3} \)

\( \frac{π}{4} \)

14 / 20

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

\( -i \)

\( i \)

-1

15 / 20

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

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

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

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

2π

16 / 20

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

\( cos2x \)

\( cosx \)

\( \sqrt{3}cosx \)

Zero

17 / 20

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

\( b^{8} \)

\( b^{11} \)

\( b^{13} \)

\( b^{6} \)

18 / 20

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

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

\( 4! \)

\( 5! \)

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

19 / 20

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

45°

0°

30°

60°

20 / 20

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

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

–\( \frac{x+3}{x(x+1)} \)

\( \frac{3–x}{x(x+1)} \)

\( \frac{x–3}{x(x+1)} \)

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