MCQ 11 Mark
A quadratic polynomial whose zeroes are $\frac{2}{5}$ and $\frac{-1}{5}$is
- A$25 x^2+5 x-2$
- B$5 x^2-2 x+1$
- C$5 x^2+2 x-1$
- ✓$25 x^2-5 x-2$
Answer
View full question & answer→Correct option: D.
$25 x^2-5 x-2$
(D) $25 x^2-5 x-2$
Questions
M.C.Q (1 Marks)
Take a timed test
18 questions · 17 auto-graded MCQ + 1 self-marked written.
MCQ 21 Mark
The following distribution shows the marks distribution of 80 students.
The median class is
| Marks | Below 10 | Below 20 | Below 30 | Below 40 | Below 50 | Below 60 |
| No. of students | 2 | 12 | 28 | 56 | 76 | 80 |
- A20-30
- B40-50
- ✓30-40
- D10-20
Answer
View full question & answer→Correct option: C.
30-40
(C) 30-40
MCQ 31 Mark
The roots of quadratic equation $3 x^2-4 \sqrt{3} x+4=0$ are
- Anot real
- ✓real and equal
- Crational and distinct
- Dirrational and distinct
Answer
View full question & answer→Correct option: B.
real and equal
(B) real and equal
MCQ 41 Mark
Which of the following cannot be the probability of an event?
- A0.4
- B0.04
- C0.0004
- ✓4
Answer
View full question & answer→Correct option: D.
4
(D) 4
MCQ 51 Mark
The total surface area of solid hemisphere of radius r is
- A$\pi r^2$
- B$2\pi r^2$
- ✓$3\pi r^2$
- D$4\pi r^2$
Answer
View full question & answer→Correct option: C.
$3\pi r^2$
(C) $3\pi r^2$
MCQ 61 Mark
$\frac{1-\tan ^2 30^{\circ}}{1+\tan ^2 30^{\circ}}$ is equal to
- ✓$\cos 60^{\circ}$
- B$\sin 60^{\circ}$
- C1
- D$\tan ^2 60^{\circ}$
Answer
View full question & answer→Correct option: A.
$\cos 60^{\circ}$
(A) $\cos 60^{\circ}$
MCQ 71 Mark
If perimeter of given triangle is 38 cm, then length AP is equal to
- A19 cm
- ✓5 cm
- C10 cm
- D8 cm
Answer
View full question & answer→Correct option: B.
5 cm
(B) 5 cm
MCQ 81 Mark
In the given figure, if $\triangle O C A \sim \triangle O B D$ then $\angle O A C$ is equal to
- A$58^{\circ}$
- B$55^{\circ}$
- C$128^{\circ}$
- ✓$52^{\circ}$
Answer
View full question & answer→Correct option: D.
$52^{\circ}$
(D) $52^{\circ}$
MCQ 91 Mark
The $4^{t h}$ term from the end of the A.P −8, −5, −2, … ,49 is
- A37
- ✓40
- C1
- D43
Answer
View full question & answer→Correct option: B.
40
(B) 40
MCQ 101 Mark
If H.C.F(420,189) = 21 then L.C.M(420,189) is
- A420
- B1890
- ✓3780
- D3680
Answer
View full question & answer→Correct option: C.
3780
(C) 3780
MCQ 111 Mark
In the given figure, $\triangle B A C$ is similar to
- A$\triangle A E D$
- ✓$\triangle E A D$
- C$\triangle A C B$
- D$\triangle B C A$
Answer
View full question & answer→Correct option: B.
$\triangle E A D$
(B) $\triangle E A D$
MCQ 121 Mark
If 3 cot A=4, where $0^{\circ}
- ✓$\frac{5}{4}$
- B$\frac{4}{3}$
- C$\frac{5}{3}$
- D$\frac{3}{4}$
Answer
View full question & answer→Correct option: A.
$\frac{5}{4}$
(A) $\frac{5}{4}$
MCQ 131 Mark
If $\triangle A B C \sim \triangle P Q R$ such that 3AB = 2PQ and BC=10 cm, then length QR is equal to
- A10 cm
- B15 cm
- C$\frac{20}{3} cm$
- D30 cm
Answer
View full question & answer→(B) 15 cm
MCQ 141 Mark
In the given figure, PQ and PR are tangents to a circle centred at O. If $\angle Q P R=35^{\circ}$ then $\angle Q O R$ is equal to
- A$70^{\circ}$
- B$90^{\circ}$
- C$135^{\circ}$
- ✓$145^{\circ}$
Answer
View full question & answer→Correct option: D.
$145^{\circ}$
(D) $145^{\circ}$
MCQ 151 Mark
The distance between the points (a, b) and (−a, −b) is
- A$\sqrt{a^2+b^2}$
- B$a^2+b^2$
- ✓$2 \sqrt{a^2+b^2}$
- D$4 \sqrt{a^2+b^2}$
Answer
View full question & answer→Correct option: C.
$2 \sqrt{a^2+b^2}$
(C) $2 \sqrt{a^2+b^2}$
MCQ 161 Mark
The value of k for which the quadratic equation $k x^2-5 x+1=0$does not have a real solution, is
- A0
- B$\frac{25}{4}$
- C$\frac{4}{25}$
- ✓7
Answer
View full question & answer→Correct option: D.
7
(D) 7
MCQ 171 Mark
The system of linear equations represented by the lines l and m is
- ✓consistent with unique solution
- Binconsistent
- Cconsistent with three solutions
- Dconsistent with many solutions
Answer
View full question & answer→Correct option: A.
consistent with unique solution
(A) consistent with unique solution
MCQ 181 Mark
HCF OF $\left(3^3 \times 5^2 \times 2\right),\left(3^2 \times 5^3 \times 2^2\right)$ and $\left(3^4 \times 5 \times 2^3\right)$ is
- A450
- ✓90
- C180
- D630
Answer
View full question & answer→Correct option: B.
90
(b) 90