MCQ 11 Mark
After an examination, a teacher wants to know the marks obtained by maximum number of the students in her class. She requires to calculate _____ of marks.
- Amedian
- Bmode
- Cmean
- Drange
Answer
View full question & answer→B mode
Questions
M.C.Q (1 Marks)
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18 questions · timed · auto-graded
MCQ 21 Mark
In the given figure, AT is tangent to a circle centred at O . If $\angle CAT =40^{\circ}$, then $\angle CBA$ is equal to
- A$70^{\circ}$
- B$50^{\circ}$
- C$65^{\circ}$
- D$40^{\circ}$
Answer
View full question & answer→D $40^{\circ}$
MCQ 31 Mark
Which term of the A.P. $-29,-26,-23$, ...., 61 is 16 ?
- A$11^{\text {th }}$
- B$16^{ th }$
- C$10^{\text {th }}$
- D$31^{\text {st }}$
Answer
View full question & answer→B $16^{\text {th }}$
MCQ 41 Mark
XOYZ is a rectangle with vertices $X (-3,0), O (0,0), Y (0,4)$ and $Z (x, y)$. The length of its each diagonal is
- A5 units
- B$\sqrt{5}$ units
- C$x^2+y^2$ units
- D4 units
Answer
View full question & answer→A 5 units
MCQ 51 Mark
In the given figure, tangents PA and PB to the circle centred at O , from point $P$ are perpendicular to each other. If $P A=5 cm$, then length of $A B$ is equal to
- A5 cm
- B$5 \sqrt{2} cm$
- C$2 \sqrt{5} cm$
- D10 cm
Answer
View full question & answer→B $5 \sqrt{2} cm$
MCQ 61 Mark
A box contains cards numbered 6 to 55 . A card is drawn at random from the box. The probability that the drawn card has a number which is a perfect square, is
- A$\frac{7}{50}$
- B$\frac{7}{55}$
- C$\frac{1}{10}$
- D$\frac{5}{49}$
Answer
View full question & answer→C $\frac{1}{10}$
MCQ 71 Mark
If value of each observation in a data is increased by 2 , then median of the new data
- Aincreases by 2
- Bincreases by 2 n
- Cremains same
- Ddecreases by 2
Answer
View full question & answer→A increases by 2
MCQ 81 Mark
AB and CD are two chords of a circle intersecting at P . Choose the correct statement from the following :
- A$\triangle ADP \sim \triangle CBA$
- B$\triangle ADP \sim \triangle BPC$
- C$\triangle ADP \sim \triangle BCP$
- D$\triangle ADP \sim \triangle CBP$
Answer
View full question & answer→D $\triangle ADP \sim \triangle CBP$
MCQ 91 Mark
The perimeters of two similar triangles $A B C$ and $P Q R$ are 56 cm and 48 cm respectively. $PQ / AB$ is equal to
- A$\frac{7}{8}$
- B$\frac{6}{7}$
- C$\frac{7}{6}$
- D$\frac{8}{7}$
Answer
View full question & answer→B $\frac{6}{7}$
MCQ 101 Mark
If $\alpha$ and $\beta$ are zeroes of the polynomial $5 x^2+3 x-7$, the value of $\frac{1}{\alpha}+\frac{1}{\beta}$ is
- A$-\frac{3}{7}$
- B$\frac{3}{5}$
- C$\frac{3}{7}$
- D$-\frac{5}{7}$
Answer
View full question & answer→C $\frac{3}{7}$
MCQ 111 Mark
Two dice are rolled together. The probability of getting the sum of the two numbers to be more than 10 , is
- A$\frac{1}{9}$
- B$\frac{1}{6}$
- C$\frac{7}{12}$
- D$\frac{1}{12}$
Answer
View full question & answer→D $\frac{1}{12}$
MCQ 121 Mark
If $\sin \theta=\cos \theta,\left(0^{\circ}<\theta<90^{\circ}\right)$, then value of $(\sec \theta \cdot \sin \theta)$ is :
- A$\frac{1}{\sqrt{2}}$
- B$\sqrt{2}$
- C1
- D$0$
Answer
View full question & answer→C 1
MCQ 131 Mark
In the given figure $\triangle A B C$ is shown. $D E$ is parallel to $B C$. If $A D=5 cm$, $DB =2.5 cm$ and $BC =12 cm$, then DE is equal to
- A10 cm
- B6 cm
- C8 cm
- D7.5 cm
Answer
View full question & answer→C 8 cm
MCQ 141 Mark
If the $\operatorname{HCF}(2520,6600)=40$ and $\operatorname{LCM}(2520,6600)=252 \times k$, then the value of $k$ is
- A1650
- B1600
- C165
- D1625
Answer
View full question & answer→A 1650
MCQ 151 Mark
The quadratic equation $x^2+x+1=0$ has ____________ roots.
- Areal and equal
- Birrational
- Creal and distinct
- Dnot-real
Answer
View full question & answer→D not-real
MCQ 161 Mark
The common difference of an A.P. in which $a _{15}- a _{11}=48$, is
- A12
- B16
- C-12
- D-16
Answer
View full question & answer→A 12
MCQ 171 Mark
Point P divides the line segment joining the points $A (4,-5)$ and $B (1,2)$ in the ratio 5:2. Co-ordinates of point P are
- A$\left(\frac{5}{2}, \frac{-3}{2}\right)$
- B$\left(\frac{11}{7}, 0\right)$
- C$\left(\frac{13}{7}, 0\right)$
- D$\left(0, \frac{13}{7}\right)$
Answer
View full question & answer→C $\left(\frac{13}{7}, 0\right)$
MCQ 181 Mark
The value of k for which the system of equations $3 x-y+8=0$ and $6 x- ky +16=0$ has infinitely many solutions, is
- A-2
- B2
- C$\frac{1}{2}$
- D$-\frac{1}{2}$
Answer
View full question & answer→B 2