MCQ 11 Mark
Which of the following is not a measure of central tendency?
- AMedian
- ✓Standard deviation
- CMode
- DMean
Answer
View full question & answer→Correct option: B.
Standard deviation
Standard deviation
Questions
M.C.Q (1 Marks)
Take a timed test
54 questions · 42 auto-graded MCQ + 12 self-marked written.
MCQ 21 Mark
The class mark of the class 15 – 20 is --------
- ✓17.5
- B15.5
- C17
- D18.5
Answer
View full question & answer→Correct option: A.
17.5
17.5
MCQ 31 Mark
Look at the pie diagram showing number of skilled workers in different fields the number of workers in the production is ---------- if total number of workers is 10,000
- ✓2000
- B1500
- C2500
- D3500
Answer
View full question & answer→Correct option: A.
2000
2000
MCQ 41 Mark
If the mean of frequency distribution is 34.9, ∑ 𝑓𝑖𝑥𝑖 = 1000 + a, ∑ 𝑓𝑖 = 30 then the value of a = ------
- ✓47
- B48
- C42
- D45
Answer
View full question & answer→Correct option: A.
47
47
MCQ 51 Mark
If the following information that is budget of a family is shown as a pie graph, then central angle for clothing is --------
Head | Rent | Clothing | Education | Saving | Food | Miscellaneous |
Expenditure | Rs.2400 | Rs.1800 | Rs.1200 | Rs.1200 | Rs. 4800 | Rs.600 |
- A72°
- ✓54°
- C36°
- D18°
Answer
View full question & answer→Correct option: B.
54°
54°
MCQ 61 Mark
If assumed mean (A) = 57.5 ∑ 𝑓𝑖𝑑𝑖 = −10 and ∑ 𝑓𝑖 = 80 then Mean = ------
- A57.625
- B57.125
- ✓57.375
- D57.275
Answer
View full question & answer→Correct option: C.
57.375
C
MCQ 71 Mark
Following table shows the percentage of donors as per the blood group, the central angle for the group 'O' is ----------
Blood group | O | A | B | AB |
% Of persons | 60 | 20 | 15 | 5 |
- A72°
- B108°
- ✓216°
- D54°
Answer
View full question & answer→Correct option: C.
216°
216°
MCQ 81 Mark
Class marks in a grouped frequency table are useful to find . . .
- AMean
- BMedian
- CMode
- ✓All of these
Answer
View full question & answer→Correct option: D.
All of these
All of these
MCQ 91 Mark
A box contains nails of different lengths as shown below, the median class will be -----
Length ( in cm) | 2.0 – 2.5 | 2.5 – 3.0 | 3.0 – 3.5 | 3.5 – 4.0 | 4.0 – 4.5 |
No. of nails | 5 | 18 | 7 | 11 | 9 |
- A2.5 – 3.0
- ✓3.0 – 3.5
- C3.5 – 4.0
- D4.0 – 4.5
Answer
View full question & answer→Correct option: B.
3.0 – 3.5
B
MCQ 101 Mark
Which of the following options shows the highest probability.
- A$\frac{4}{5}$
- B0.83
- C0.58
- D$\frac{1}{2}$
Answer
View full question & answer→MCQ 111 Mark
Which of the following number cannot represent a probability?
- A0.66
- ✓1.5
- C0.15
- D0.7
Answer
View full question & answer→Correct option: B.
1.5
1.5
MCQ 121 Mark
When two dice are thrown the number of sample points in the sample space are ........
- A6
- B12
- ✓36
- D52
Answer
View full question & answer→Correct option: C.
36
36
MCQ 131 Mark
When a dice is thrown the number of sample points in the sample space are ..........
- A4
- ✓6
- C2
- D52
Answer
View full question & answer→Correct option: B.
6
6
MCQ 141 Mark
What is the probability of the event that a number chosen from 1 to 50 is a prime number ?
- A$\frac{3}{10}$
- B$\frac{1}{2}$
- C$\frac{1}{4}$
- D$\frac{3}{25}$
Answer
View full question & answer→$
\frac{3}{10}
$
Explanation:
$
\begin{aligned}
S=\{1,2, \ldots ., 50\}\\
\therefore \mathrm{n}(S)=50
\end{aligned}
$
Let $\mathrm{A}$ be the event of getting a prime number.
$
\begin{aligned}
& \therefore A=\{2,3,5,7,11,13,17,19,23,29,31,37,41,43,47\} \\
& \therefore \mathrm{n}(\mathrm{A})=15 \\
& \therefore P(A)=\frac{\mathrm{n}(\mathrm{A})}{\mathrm{n}(\mathrm{S})}=\frac{15}{50}=\frac{3}{10}
\end{aligned}
$
MCQ 151 Mark
In how many ways a card can be drawn from a well shuffled pack of playing cards,
- A4
- B1
- C26
- ✓52
Answer
View full question & answer→Correct option: D.
52
52
MCQ 161 Mark
If $n ( A )=5, P ( A )=\frac{1}{2}$ then $n ( S )=$ ?
- ✓10
- B$\frac{3}{5}$
- C$\frac{4}{5}$
- D$\frac{1}{3}$
Answer
View full question & answer→Correct option: A.
10
10
MCQ 171 Mark
When trader collects GST at the time of sale, it is called ............
- ACGST
- ✓Output tax
- CInput tax
- DSGST
Answer
View full question & answer→Correct option: B.
Output tax
Output tax
MCQ 181 Mark
Trading between GSTIN holder and consumer is termed as
- ABB
- BB2B
- CBC
- ✓B2C
Answer
View full question & answer→Correct option: D.
B2C
B2C
MCQ 191 Mark
The rate of GST on mobile phone is 12% then the rate of central GST is ............
- ✓0.12
- B0.012
- C0.36
- D0.06
Answer
View full question & answer→Correct option: A.
0.12
0.12
MCQ 201 Mark
In GST, all goods are classified by given numerical code called ........... code.
- ✓HSN
- BGSTIN
- CSAC
- DNAV
Answer
View full question & answer→Correct option: A.
HSN
HSN
MCQ 211 Mark
If the face value of the share is Rs.100 and market value is Rs.150. if Rate brokerage is 0.5%. The selling price of 1 share is ...........
- ✓`Rs. 149.25
- BRs. 99.5
- CRs.150.75
- DRs. 100.5
Answer
View full question & answer→Correct option: A.
`Rs. 149.25
A
MCQ 221 Mark
If the face value of share is Rs.100 when market value was Rs 90. Company declared 20% dividend. The dividend per share is ............
- ARs.24
- ✓Rs.20
- CRs. 300
- DRs.150
Answer
View full question & answer→Correct option: B.
Rs.20
B
MCQ 231 Mark
If FV > MV the share is at ............
- Adiscount
- Bpar
- ✓Premium
- DNone of these
Answer
View full question & answer→Correct option: C.
Premium
Premium
MCQ 241 Mark
If FV =MV the share is at ............
- Adiscount
- ✓at par
- CPremium
- DNone of these
Answer
View full question & answer→Correct option: B.
at par
at par
MCQ 251 Mark
If FV < MV the share is at ............
- ✓discount
- Bpar
- CPremium
- DNone of these
Answer
View full question & answer→Correct option: A.
discount
discount
MCQ 261 Mark
GST on LPG cylinder is ...........
- ✓0.05
- B
- C0.12
- D0.18
Answer
View full question & answer→Correct option: A.
0.05
A
MCQ 271 Mark
70 shares of FV 100 each are purchased for MV Rs.130 then the sum invested is..........
- ARs. 9750
- ✓Rs. 9100
- CRs. 13000
- DRs. 6000
Answer
View full question & answer→Correct option: B.
Rs. 9100
Rs. 9100
MCQ 281 Mark
What is the common difference of the sequence 0,-4,-8,-12 ?
- A4
- B
- C8
- D-8
Answer
View full question & answer→-4
MCQ 291 Mark
In an Arithmetic Progression 2,4,6,8,……..the common difference d is………..
- A8
- B6
- ✓2
- D-2
Answer
View full question & answer→Correct option: C.
2
2
MCQ 301 Mark
In an A.P., 0,-4,-8, -12 find $t_2=$ ?
- A-8
- B-4
- C-12
Answer
View full question & answer→MCQ 311 Mark
If third term and fifth term of an A.P. are 13 and 25 respectively, find its 7th term.
- A30
- B33
- ✓37
- D38
Answer
View full question & answer→Correct option: C.
37
37
MCQ 321 Mark
For an A.P. 5,12,19,26,........ a=?
- A12
- B26
- C19
- ✓5
Answer
View full question & answer→Correct option: D.
5
5
MCQ 331 Mark
First four terms of an A.P., are……………………whose first term is -2 and common difference is -2.
- A-2,0,2,4
- B-2,4,-8,16
- C-2,-4,-6,-8
- D-2,-4,-8,-16
Answer
View full question & answer→First, four terms of an A.P., are $=\mathbf{2},-\mathbf{4},-\mathbf{6},-\mathbf{8}$ whose first term is -2 and the common difference is -2 .
Explanation:
Let the first four terms of an A.P are $a, a+d, a+2 d$ and $a+3 d$
Given that the first term is -2 and difference is also -2 , then the A.P would be:
-2,(-2-2),[-2+2(-2)],[-2+3(-2)] \
= -2,-4,-6,-8
MCQ 341 Mark
Find $t_3=$ ? in an A.P. $9,15,21,27$
- A27
- B21
- C15
- D9
Answer
View full question & answer→21
Explanation:
A.P. 9, 15, 21, 27, ...(Given)
$t_1=9, t_2=15, t_3=21, t_4=27$
$\therefore \mathrm{t}_3=21$
MCQ 351 Mark
Find d of an A.P. whose first two terms are -3 and -4.
- ✓7
- B4
- C-7
- D-3
Answer
View full question & answer→Correct option: A.
7
7
MCQ 361 Mark
A set of numbers where the numbers are arranged in a definite order, like the natural numbers, is called a .........
- Aindex
- Bnumbers
- Cline
- ✓sequence
Answer
View full question & answer→Correct option: D.
sequence
sequence
MCQ 371 Mark
1,4,7,10,13...... Next two terms of this A.P. are………………………….
- ✓16,19
- B10,7
- C19,22
- D16,18
Answer
View full question & answer→Correct option: A.
16,19
16,19
MCQ 381 Mark
Which of the following quadratic equation has roots -3 and -5 ?
- A$X^2-8 X+15=0$
- B$X^2-8 X-15=0$
- C$X ^2+8 X +15=0$
- D$X ^2+8 X 15=0$
Answer
View full question & answer→x^2+8 x+15=0
\
Explanation:
\
The roots of the quadratic equation $x^2+8 x+15=0$ are
\[
\begin{aligned}
& x^2+5 x+3 x+15=0 \quad \ldots\left(\begin{array}{c}
5 \times 3=+15 \\
5+3=+8
\end{array}\right) \\
& x(x+5)+3(x+5)=0 \\
& (x+5)(x+3)=0 \\
& \therefore x+5=0 \\
& x=-5 \\
& \therefore x+3=0 \\
& x=-3
\end{aligned}
\]
MCQ 391 Mark
Which of the following is not a quadratic equation?
- A$2 X ^2- X +3=0$
- B$4 X^2-3 X=0$
- ✓$X^3-5 X+3=0$
- D$4 X^2=0$
Answer
View full question & answer→Correct option: C.
$X^3-5 X+3=0$
$X^3-5 X+3=0$
MCQ 401 Mark
Which of the following is a quadratic equation?
- A$X ^3+5 X ^2+ X +3=0$
- ✓$4 X^2-3 X-5=0$
- C$X +5=0$
- D$4 X^5=0$
Answer
View full question & answer→Correct option: B.
$4 X^2-3 X-5=0$
$4 X^2-3 X-5=0$
MCQ 411 Mark
What is the value of discriminant for the quadratic equation $X ^2-2 X -3$= 0?
- A-16
- ✓16
- C8
- D4
Answer
View full question & answer→Correct option: B.
16
16
MCQ 421 Mark
If the root of the given quadratic equation are real and equal then find the value of ‘k’ $X ^2+2 X + k =0$
- ✓1
- B-1
- C2
- D-2
Answer
View full question & answer→Correct option: A.
1
1
MCQ 431 Mark
If one of the roots of quadratic equation $X ^2- kX +27=0$ is 3 then find the value of ‘k’.
- A10
- ✓12
- C-12
- D16
Answer
View full question & answer→Correct option: B.
12
12
MCQ 441 Mark
Degree of quadratic equation is always ---------------.
- A1
- ✓2
- C3
- D4
Answer
View full question & answer→Correct option: B.
2
2
MCQ 451 Mark
which of the following is not the solution of 3x+6y=12?
- A(-4,4)
- B(0,2)
- C(8, -2)
- D
Answer
View full question & answer→$(3,1)$
\
Explanation:
\[
\begin{aligned}
& 3 x+6 y=3(3)+6(1) \\
& =9+6 \\
& =15 \neq 12
\end{aligned}
\]
MCQ 461 Mark
Which of the following is linear equation in two variables?
- A$\frac{x}{3}+\frac{5}{y}=6$
- B$2 x^2-3 y=8-3 y$
- ✓x+2y=5-3y
- D3 x²+y
Answer
View full question & answer→Correct option: C.
x+2y=5-3y
x+2y=5-3y
MCQ 471 Mark
To draw the graph of 4x + 5y = 19, if x = 1 is taken then what will be the value of y?
- A4
- ✓3
- C2
- D-3
Answer
View full question & answer→Correct option: B.
3
3
MCQ 481 Mark
The solution of the equation x-y=10 and x+y=70 is --------.
- ✓(40,30)
- B(30,40)
- C(10,60)
- D(50,20)
Answer
View full question & answer→Correct option: A.
(40,30)
(40,30)
MCQ 491 Mark
The solution of the equation 2x – y = 2 is ------.
- A
- B(5,2)
- C(2,5)
- D(5,5)
Answer
View full question & answer→(2,2)
MCQ 501 Mark
$\left|\begin{array}{cc}3 & 5 \\ 2 & x\end{array}\right|=2 \quad \therefore x=\cdots \cdots$
- A3
- ✓4
- C-3
- D-4
Answer
View full question & answer→Correct option: B.
4
4
MCQ 511 Mark
If 49 x – 57 y = 172 and 57 x – 49 y = 252 then x + y =?
- A80
- C10
- D8
Answer
View full question & answer→10
\
Explanation:
\[
\begin{aligned}
& 49 x-57 y=172 \\
& 57 x-49 y=252 \\
&\frac{-\quad +\quad- \\}{}
\\& -8 x-8 y=-80 \\
& \therefore x+y=\frac{-80}{-8}=10
\end{aligned}
\]
MCQ 521 Mark
For the equations with variables x and y, if Dx = 26, Dy = −39 and D = 13 then x =?
- A2
- B-3
- C-2
- D3
Answer
View full question & answer→Explanation :
\[
D x=26, D y=-39 \text { and } D=13
\]
Using Cramer's rule,
\[
\begin{aligned}
& x=\frac{D x}{x}=\frac{26}{13}=2 \\
& x=2
\end{aligned}
\]
MCQ 531 Mark
For equations 5x + 3y + 11 = 0 and 2x + 4y = - 10 find D.
- ✓14
- B-14
- C26
- D-26
Answer
View full question & answer→Correct option: A.
14
14
MCQ 541 Mark
Find the value of Dx for the equation 4𝑥 + 3 𝑦 = 19 and 4 𝑥 − 3 𝑦 = −11
- A24
- C-24
- D108
Answer
View full question & answer→$-24$
\
Explanation:
\[
\begin{aligned}
& \text { Here, } a_1=4, b_1=3, c_1=19 \\
& a_2=4, b_2=-3, c_2=-11 \\
& \therefore D_x=\left|\begin{array}{ll}
c_1 & b_1 \\
c_2 & b_2
\end{array}\right|=\left|\begin{array}{cc}
19 & 3 \\
-11 & -3
\end{array}\right| \\
& =-57+33 \\
& =-24
\end{aligned}
\]