24740 + Interview Questions in Mathematics Page 67 InterviewSolution

3301.	A shopkeeper fixes the marked price of an item 45% above its cost price. The percentage of discount allowed to gain 16% is
Answer» A shopkeeper fixes the marked price of an item 45% above its cost price. The percentage of discount allowed to gain 16% is

Discussion

3302.	Find the median of the following data: 15,6,16,8,22,21,9,18,25
Answer» Find the median of the following data: 15,6,16,8,22,21,9,18,25

3302.

Find the median of the following data: 15,6,16,8,22,21,9,18,25

Answer»

Find the median of the following data:

15,6,16,8,22,21,9,18,25

Discussion

3303.	If x−1x=3+2√2, find the value of x3−1x3.
Answer» If $x - \frac{1}{x} = 3 + 2 \sqrt{2}$ , find the value of $x^{3} - \frac{1}{x^{3}}$ .

Discussion

3304.	Find the HCF of 96 and 404 by the prime factorisation method. Hence, find their LCM.
Answer» Find the HCF of 96 and 404 by the prime factorisation method. Hence, find their LCM.

Discussion

3305.	To show that ΔAMP≅ΔAMQ, fill the missing reasons:StepsReasonsi) PM=QMi)ii) ∠PMA=∠QMAii)iii) AM=AMiii)iv)ΔAMP≅ΔAMQiv)
Answer» To show that $Δ A M P ≅ Δ A M Q$ , fill the missing reasons: $\begin{matrix} S t e p s & R e a s o n s i) P M = Q M & i) i i) ∠ P M A = ∠ Q M A & i i) i i i) A M = A M & i i i) i v) Δ A M P ≅ Δ A M Q & i v) \end{matrix}$

Discussion

3306.	If 2160=2a.3b.5c, find a, b, and c. Further, calculate the value of 3a.2−b.5−c.
Answer» If $2160 = 2^{a} {.3}^{b} {.5}^{c}$ , find a, b, and c. Further, calculate the value of $3^{a} {.2}^{- b} {.5}^{- c}$ .

Discussion

3307.	A point O is taken inside an equilateral four sided figure ABCD such that its distances from the angular points D and B are equal. Show that AO and OC are in one and the same straight line. [3 MARKS]
Answer» A point O is taken inside an equilateral four sided figure ABCD such that its distances from the angular points D and B are equal. Show that AO and OC are in one and the same straight line. [3 MARKS]

Discussion

3308.	Express 1.657 in the form of a fraction
Answer» Express 1.657 in the form of a fraction

Discussion

3309.	The angles of a triangle are (x − 40)°, (x − 20)° and 12x-10°. Find the value of x.
Answer» The angles of a triangle are (x − 40)°, (x − 20)° and ${(\frac{1}{2} x - 10)}^{°}$ . Find the value of x.

Discussion

3310.	The line x+2y-z-3=0=x+3y-z-4 is parallel to(1) x-y plane(2) y-z plane(3) z-x plane(4) z-axis
Answer» The line x+2y-z-3=0=x+3y-z-4 is parallel to (1) x-y plane (2) y-z plane (3) z-x plane (4) z-axis

Discussion

3311.	The angles of a quadrilateral are in the ratio 1: 2 : 3 : 4. The angles of the quadrilateral are respectively ____.
Answer» The angles of a quadrilateral are in the ratio 1: 2 : 3 : 4. The angles of the quadrilateral are respectively ____.

Discussion

3312.	Solve the following equation forthe value of z: 2z - 5 = -13-4
Answer» Solve the following equation for the value of z: 2z - 5 = -13 -4

Discussion

3313.	If the areas of three adjacent faces of a cuboid are 6 cm2, 8 cm2 and 27 cm2, then its volume is ________.
Answer» If the areas of three adjacent faces of a cuboid are 6 cm², 8 cm²and 27 cm², then its volume is ________.

Discussion

3314.	The marks obtained by 90 students of a school in mathematics out of 100 are given as under: Marks0−2020−3030−4040−5050−6060−7070 and aboveNo. of students78122519109 From these students, a student is chosen at random. What is the probability that the chosen student (i) gets 20% or less marks? (ii) gets 60% or more marks?
Answer» The marks obtained by 90 students of a school in mathematics out of 100 are given as under: $\begin{matrix} Marks & 0 - 20 & 20 - 30 & 30 - 40 & 40 - 50 & 50 - 60 & 60 - 70 & 70 and above No. of students & 7 & 8 & 12 & 25 & 19 & 10 & 9 \end{matrix}$ From these students, a student is chosen at random. What is the probability that the chosen student (i) gets 20% or less marks? (ii) gets 60% or more marks?

3314.

The marks obtained by 90 students of a school in mathematics out of 100 are given as under: Marks0−2020−3030−4040−5050−6060−7070 and aboveNo. of students78122519109 From these students, a student is chosen at random. What is the probability that the chosen student (i) gets 20% or less marks? (ii) gets 60% or more marks?

Answer»

The marks obtained by 90 students of a school in mathematics out of 100 are given as under:

$\begin{matrix} Marks & 0 - 20 & 20 - 30 & 30 - 40 & 40 - 50 & 50 - 60 & 60 - 70 & 70 and above No. of students & 7 & 8 & 12 & 25 & 19 & 10 & 9 \end{matrix}$

From these students, a student is chosen at random.

What is the probability that the chosen student

(i) gets 20% or less marks?

(ii) gets 60% or more marks?

Discussion

3315.	Write the degree of each of the following polynomials:(i) (ii) (iii) (iv) 3
Answer» Write the degree of each of the following polynomials: (i) (ii) (iii) (iv) 3

3315.

Write the degree of each of the following polynomials:(i) (ii) (iii) (iv) 3

Answer»

Write the degree of each of the following polynomials:

(i) (ii)

(iii) (iv) 3

Discussion

3316.	The surface area of a slab of stone measuring 3 m in length, 2 m in breadth and 50 cm in thickness is
Answer» The surface area of a slab of stone measuring 3 m in length, 2 m in breadth and 50 cm in thickness is

Discussion

3317.	The horizontal component of vector a is equal to the vertical component of vector b. If 30 degrees is the angle made by vector a with its vertical axis and that made by vector b with its horizontal Axis, then calculate the value of vector b in terms of vector a.
Answer» The horizontal component of vector a is equal to the vertical component of vector b. If 30 degrees is the angle made by vector a with its vertical axis and that made by vector b with its horizontal Axis, then calculate the value of vector b in terms of vector a.

Discussion

3318.	The vectors 2j^+k^ and 3i^-j^+4k^ represent the two sides AB and AC respectively of a ∆ABC. The length of the median through A is (a) 342 (b) 48 (c) 18 (d) 432
Answer» The vectors $2 \hat{j} + \hat{k} and 3 \hat{i} - \hat{j} + 4 \hat{k}$ represent the two sides AB and AC respectively of a ∆ABC. The length of the median through A is $(a) \frac{\sqrt{34}}{2} (b) \sqrt{48} (c) \sqrt{18} (d) \sqrt{\frac{43}{2}}$

Discussion

3319.	The mean of 30 numbers is 18, what will be the new mean if each observation is increased by 2?
Answer» The mean of 30 numbers is 18, what will be the new mean if each observation is increased by 2?

Discussion

3320.	In ΔABC, if ∠A+∠B=125∘ and ∠A+∠C=113∘, find ∠A,∠B and ∠C.
Answer» In $Δ A B C$ , if $∠ A + ∠ B = 125^{\circ}$ and $∠ A + ∠ C = 113^{\circ}$ , find $∠ A, ∠ B$ and $∠ C$ .

Discussion

3321.	Two parallelograms are on equal bases and between the same parallels.The ratio of their areas is (a) 1:2 (b) 1:1 (c) 2:1 (d) 3:1
Answer» Two parallelograms are on equal bases and between the same parallels.The ratio of their areas is (a) 1:2 (b) 1:1 (c) 2:1 (d) 3:1

3321.

Two parallelograms are on equal bases and between the same parallels.The ratio of their areas is (a) 1:2 (b) 1:1 (c) 2:1 (d) 3:1

Answer»

Two parallelograms are on equal bases and between the same parallels.The ratio of their areas is

(a) 1:2

(b) 1:1

(c) 2:1

(d) 3:1

Discussion

3322.	If two arcs of equal length subtend angles x and y at the centre, then x = __
Answer» If two arcs of equal length subtend angles x and y at the centre, then x = __

Discussion

3323.	The visual representation of the seats won by different political parties is given below:If the number of seats won are given in thousands, then what is the difference between the seats won by political party A and D ?
Answer» The visual representation of the seats won by different political parties is given below: If the number of seats won are given in thousands, then what is the difference between the seats won by political party $A$ and $D$ ?

Discussion

3324.	Q: In a quadrilateral ABCD, angle A + angle C = 2*(angle B + angle D). if angle A = 140 degree and angle D = 60 degree, then angle B is?
Answer» Q: In a quadrilateral ABCD, angle A + angle C = 2*(angle B + angle D). if angle A = 140 degree and angle D = 60 degree, then angle B is?

Discussion

3325.	In the figure. C is the mid point of an and d is the mid point of ac.PT AD =1/4 AB
Answer» In the figure. C is the mid point of an and d is the mid point of ac.PT AD =1/4 AB

Discussion

3326.	18. If the system of linear equation X+ky+3z=0 3X+ky-2z=0 2X+4y-3z=0 has non zero solution x,y,z then xz/y*2 is equal to
Answer» 18. If the system of linear equation X+ky+3z=0 3X+ky-2z=0 2X+4y-3z=0 has non zero solution x,y,z then xz/y*2 is equal to

Discussion

3327.	0.32¯ when expressed in the form pq (p, q are integers q ≠ 0), is(a) 825(b) 2990(c) 3299(d) 32199
Answer» $0.3 \bar{2}$ when expressed in the form $\frac{p}{q}$ (p, q are integers q ≠ 0), is (a) $\frac{8}{25}$ (b) $\frac{29}{90}$ (c) $\frac{32}{99}$ (d) $\frac{32}{199}$

Discussion

3328.	When the polynomial x2+bx+c is divided by x−2, the remainder is 4. What is the value of 4b + 2c ?0
Answer» When the polynomial $x^{2} + b x + c$ is divided by $x - 2$ , the remainder is 4. What is the value of 4b + 2c ? 0

Discussion

3329.

From the following Balance Sheet of Double Tree Ltd. as at 31st March, 2019 and additional information, calculate Operating Profit before Working Capital Changes: Particulars ulars Note No. 31st March, 2019 (₹) 31st March, 2018 (₹) I. EQUITY AND LIABILITIES 1. Shareholders' Funds (a) Share Capital 5,00,000 5,00,000 (b) Reserves and Surplus 1 6,70,000 5,00,000 2. Current Liabilities (a) Trade Payables 60,000 50,000 (b) Other Current Liabilities (Outstanding Expenses) 20,000 15,000 (c) Short-term Provisions (Provision for Tax) 1,00,000 90,000 Total Total Expenses 13,50,000 11,55,000 II. ASSETS 1. Non-Current Assets (a) Fixed Assets (Tangible) 7,50,000 7,30,000 (b) Non-Current Investments 2,50,000 3,00,000 2. Current Assets 3,50,000 1,25,000 Total 13,50,000 11,55,000 Notes to Accounts Particulars 31st March, 2019 (₹) 31st March, 2018 (₹) I. Reserve and Surplus General Reserve 5,00,000 4,00,000 Surplus, i.e., Balance in Statement of Profit and Loss 1,70,000 1,00,000 6,70,000 5,00,000 Additional Information: Depreciation for the year was ₹75,000.

Answer» From the following Balance Sheet of Double Tree Ltd. as at 31st March, 2019 and additional information, calculate Operating Profit before Working Capital Changes:

Particulars ulars	Note No.	31st March, 2019 (₹)	31st March, 2018 (₹)
I. EQUITY AND LIABILITIES
1. Shareholders' Funds
(a) Share Capital		5,00,000	5,00,000
(b) Reserves and Surplus	1	6,70,000	5,00,000
2. Current Liabilities
(a) Trade Payables		60,000	50,000
(b) Other Current Liabilities (Outstanding Expenses)		20,000	15,000
(c) Short-term Provisions (Provision for Tax)		1,00,000	90,000
Total Total Expenses		13,50,000	11,55,000
II. ASSETS
1. Non-Current Assets
(a) Fixed Assets (Tangible)		7,50,000	7,30,000
(b) Non-Current Investments		2,50,000	3,00,000
2. Current Assets		3,50,000	1,25,000
Total		13,50,000	11,55,000

Notes to Accounts

Particulars	31st March, 2019 (₹)	31st March, 2018 (₹)
I. Reserve and Surplus
General Reserve	5,00,000	4,00,000
Surplus, i.e., Balance in Statement of Profit and Loss	1,70,000	1,00,000
	6,70,000	5,00,000

Additional Information: Depreciation for the year was ₹75,000.

Discussion

3330.

From the following extracts from the Cash Book and the Pass Book for the month of January, 2018, prepare Bank Reconcilation Statement: CASH BOOK (BANK COLUMNS ONLY) Dr. Cr. Date Particulars Bank (₹) Date Particulars Bank (₹) 2018 2018 Jan.01 To Balance b/d 4,510 Jan.02 By S. Gidwani & Co. 1,230 Jan.03 To Cash 300 Jan.06 By Wages 3,000 Jan.10 To G. Basu & Co. 1,000 Jan.14 By Basu & Co. (Cheque dishonoured) 1,000 Jan.15 To Mohan & Co. 2,300 Jan.15 By V. Kumar & Co. 300 Jan.17 To Cash 600 Jan.18 By S. Sharda & Sons 470 Jan.20 To M. Mohan & Bros. 1,550 Jan.24 By Cash 400 Jan.24 To T.P. Bhalla & Co. 740 Jan.28 By R. Ramdas & Co. 780 Jan.31 To S. Leader & Sons 2,130 Jan.31 By B. BansaL & Bros. 340 Jan.31 By Balance c/d 5,610 13,130 13,130 2018 Feb. To Balance c/d 5,610 PASS BOOK Date Particulars Withdrawals (₹) Deposits (₹) Dr. or Cr. Balance (₹) 2018 Jan.01 By Balance Cr. 4,510 Jan.03 By Cash 300 Cr. 4,810 Jan.06 To Selves–Cash 3,000 Cr. 1,810 Jan.10 To S. Gidwani & Co. 1,230 Cr. 580 Jan.16 By Mohan & Co. 2,300 Cr. 2,880 Jan.17 By Cash 600 Cr. 3,480 Jan.20 To S. Sharda & Sons 470 Cr. 3,010 Jan.24 To Cash 400 Cr. 2,610 Jan.31 To Bank Charges 10 Cr. 2,600 Jan.31 To Life insurance Premium as per instructions 250 Cr. 2,350 Jan.31 By Interest on Government Securities 300 Cr. 2,650

Answer» From the following extracts from the Cash Book and the Pass Book for the month of January, 2018, prepare Bank Reconcilation Statement:

CASH BOOK (BANK COLUMNS ONLY)
Dr.					Cr.
Date	Particulars	Bank (₹)	Date	Particulars	Bank (₹)
2018			2018
Jan.01	To Balance b/d	4,510	Jan.02	By S. Gidwani & Co.	1,230
Jan.03	To Cash	300	Jan.06	By Wages	3,000
Jan.10	To G. Basu & Co.	1,000	Jan.14	By Basu & Co. (Cheque dishonoured)	1,000
Jan.15	To Mohan & Co.	2,300	Jan.15	By V. Kumar & Co.	300
Jan.17	To Cash	600	Jan.18	By S. Sharda & Sons	470
Jan.20	To M. Mohan & Bros.	1,550	Jan.24	By Cash	400
Jan.24	To T.P. Bhalla & Co.	740	Jan.28	By R. Ramdas & Co.	780
Jan.31	To S. Leader & Sons	2,130	Jan.31	By B. BansaL & Bros.	340
			Jan.31	By Balance c/d	5,610
		13,130			13,130
2018
Feb.	To Balance c/d	5,610

PASS BOOK
Date	Particulars	Withdrawals (₹)	Deposits (₹)	Dr. or Cr.	Balance (₹)
2018
Jan.01	By Balance			Cr.	4,510
Jan.03	By Cash		300	Cr.	4,810
Jan.06	To Selves–Cash	3,000		Cr.	1,810
Jan.10	To S. Gidwani & Co.	1,230		Cr.	580
Jan.16	By Mohan & Co.		2,300	Cr.	2,880
Jan.17	By Cash		600	Cr.	3,480
Jan.20	To S. Sharda & Sons	470		Cr.	3,010
Jan.24	To Cash	400		Cr.	2,610
Jan.31	To Bank Charges	10		Cr.	2,600
Jan.31	To Life insurance Premium as per instructions	250		Cr.	2,350
Jan.31	By Interest on Government Securities		300	Cr.	2,650

Discussion

3331.	A chord 24 cm long is drawn in a circle of radius 13 cm. Then its distance from the centre is
Answer» A chord 24 cm long is drawn in a circle of radius 13 cm. Then its distance from the centre is

Discussion

3332.	Question 3 (ii) A cloth having an area of 165 m2 is shaped into the form of a conical tent of radius 5 m. (i) Find the volume of the cone.
Answer» Question 3 (ii) A cloth having an area of $165 m^{2}$ is shaped into the form of a conical tent of radius 5 m. (i) Find the volume of the cone.

Discussion

3333.	If the radii of two cylinder are in the ratio 2 : 3 and their heights are in the ratio 5 : 3, then find the ratio of their volumes.
Answer» If the radii of two cylinder are in the ratio 2 : 3 and their heights are in the ratio 5 : 3, then find the ratio of their volumes.

Discussion

3334.	Does rational numbers come under the closure property of subtraction as in the video it was 5/4 and -5/4
Answer» Does rational numbers come under the closure property of subtraction as in the video it was 5/4 and -5/4

Discussion

3335.	From the given figure, determine tan A.
Answer» From the given figure, determine tan A.

Discussion

3336.	In the given figure, if AB \|\| DE, ∠BAC = 35º and ∠CDE = 53º, find ∠DCE.
Answer» In the given figure, if AB \|\| DE, ∠BAC = 35º and ∠CDE = 53º, find ∠DCE.

3336.

In the given figure, if AB || DE, ∠BAC = 35º and ∠CDE = 53º, find ∠DCE.

Answer»

In the given figure, if AB || DE, ∠BAC = 35º and ∠CDE = 53º, find ∠DCE.

Discussion

3337.	From a school, 80 boys and 45 girls appeared for a public examination. The average marks obtained by boys is found to be 65 whereas the average marks of girls is 70. What is the average marks of the school?
Answer» From a school, 80 boys and 45 girls appeared for a public examination. The average marks obtained by boys is found to be 65 whereas the average marks of girls is 70. What is the average marks of the school?

Discussion

3338.	Find the area of the quadrilateral PQRS, whose diagonal QS = 19.5 cm and the offsets on it are 5.4 cm and 10.6 cm.
Answer» Find the area of the quadrilateral PQRS, whose diagonal QS = 19.5 cm and the offsets on it are 5.4 cm and 10.6 cm.

Discussion

3339.	Which of the following is a measure of central tendency?
Answer» Which of the following is a measure of central tendency?

Discussion

3340.	A circle with center O is shown. AB in the figure is a :
Answer» A circle with center O is shown. AB in the figure is a :

Discussion

3341.	Which one of the following is/are incorrect?
Answer» Which one of the following is/are incorrect?

Discussion

3342.	24 The product of all the real values of y for equation (y+2)(y+3)(y+4)(y+5)=24 is equal to (1) 0 (2) 12 (3) -6 (4) 6
Answer» 24 The product of all the real values of y for equation (y+2)(y+3)(y+4)(y+5)=24 is equal to (1) 0 (2) 12 (3) -6 (4) 6

Discussion

3343.

Assertion (A) Reason (R) In the given figure, a quad. ABCD is drawn to circumscribe a given circle, as shown. Then, AB + BC = AD + DC In two concentric circles, the chord of the larger circle, which touches the smaller circle, is bisected at the point of contact. The correct answer is (a)/(b)/(c)/(d)

Answer»

Assertion (A)	Reason (R)
In the given figure, a quad. ABCD is drawn to circumscribe a given circle, as shown. Then, AB + BC = AD + DC	In two concentric circles, the chord of the larger circle, which touches the smaller circle, is bisected at the point of contact.

The correct answer is (a)/(b)/(c)/(d)

Discussion

3344.	Let f(x)=8x,x≠0 and fog(x)=4x. If gof(x)=3, then x is
Answer» Let $f (x) = \frac{8}{x}, x \neq 0 and f o g (x) = 4 x .$ If $g o f (x) = 3,$ then $x$ is

Discussion

3345.	The angles of a triangle are in the ratio 5:3:7. The triangle is ________ .
Answer» The angles of a triangle are in the ratio 5:3:7. The triangle is ________ .

Discussion

3346.	Find the area of a quadrilateral ABCD in which AB = 42 cm, BC = 21 cm, CD = 29 cm, DA = 34 cm and diagonal BD = 20 cm.
Answer» Find the area of a quadrilateral ABCD in which AB = 42 cm, BC = 21 cm, CD = 29 cm, DA = 34 cm and diagonal BD = 20 cm.

Discussion

3347.	Construct a triangle with sides 5 cm, 6 cm and 7 cm and then another triangle whose sides are 75 of the corresponding sides of the first triangle.
Answer» Construct a triangle with sides 5 cm, 6 cm and 7 cm and then another triangle whose sides are $\frac{7}{5}$ of the corresponding sides of the first triangle.

Discussion

3348.	The power of (2,1) with respect to the circle 2x2+2y2−8x−6y+k = 0 is positive if
Answer» The power of (2,1) with respect to the circle $2 x^{2} + 2 y^{2} - 8 x - 6 y + k$ = 0 is positive if

Discussion

3349.

In the given figure AB||CD and CD||RE. If y:z =3:7 then x (a)108∘ (b)126∘ (c)162∘ (d)63∘

Answer»

In the given figure AB||CD and CD||RE. If y:z =3:7 then x

$(a) 108^{\circ}$

$(b) 126^{\circ}$

$(c) 162^{\circ}$

$(d) 63^{\circ}$

Discussion

3350.	x4 − 2x3 − 7x2 + 8x + 12
Answer» x⁴ − 2x³ − 7x² + 8x + 12

Discussion

Explore topic-wise InterviewSolutions in .

A shopkeeper fixes the marked price of an item 45% above its cost price. The percentage of discount allowed to gain 16% is

Find the median of the following data: 15,6,16,8,22,21,9,18,25

If x−1x=3+2√2, find the value of x3−1x3.

Find the HCF of 96 and 404 by the prime factorisation method. Hence, find their LCM.

To show that ΔAMP≅ΔAMQ, fill the missing reasons:StepsReasonsi) PM=QMi)ii) ∠PMA=∠QMAii)iii) AM=AMiii)iv)ΔAMP≅ΔAMQiv)

If 2160=2a.3b.5c, find a, b, and c. Further, calculate the value of 3a.2−b.5−c.

A point O is taken inside an equilateral four sided figure ABCD such that its distances from the angular points D and B are equal. Show that AO and OC are in one and the same straight line. [3 MARKS]

Express 1.657 in the form of a fraction

The angles of a triangle are (x − 40)°, (x − 20)° and 12x-10°. Find the value of x.

The line x+2y-z-3=0=x+3y-z-4 is parallel to(1) x-y plane(2) y-z plane(3) z-x plane(4) z-axis

The angles of a quadrilateral are in the ratio 1: 2 : 3 : 4. The angles of the quadrilateral are respectively ____.

Solve the following equation forthe value of z: 2z - 5 = -13-4

If the areas of three adjacent faces of a cuboid are 6 cm2, 8 cm2 and 27 cm2, then its volume is ________.

Write the degree of each of the following polynomials:(i) (ii) (iii) (iv) 3

The surface area of a slab of stone measuring 3 m in length, 2 m in breadth and 50 cm in thickness is

The horizontal component of vector a is equal to the vertical component of vector b. If 30 degrees is the angle made by vector a with its vertical axis and that made by vector b with its horizontal Axis, then calculate the value of vector b in terms of vector a.

The vectors 2j^+k^ and 3i^-j^+4k^ represent the two sides AB and AC respectively of a ∆ABC. The length of the median through A is (a) 342 (b) 48 (c) 18 (d) 432

The mean of 30 numbers is 18, what will be the new mean if each observation is increased by 2?

In ΔABC, if ∠A+∠B=125∘ and ∠A+∠C=113∘, find ∠A,∠B and ∠C.

Two parallelograms are on equal bases and between the same parallels.The ratio of their areas is (a) 1:2 (b) 1:1 (c) 2:1 (d) 3:1

If two arcs of equal length subtend angles x and y at the centre, then x = __

The visual representation of the seats won by different political parties is given below:If the number of seats won are given in thousands, then what is the difference between the seats won by political party A and D ?

Q: In a quadrilateral ABCD, angle A + angle C = 2*(angle B + angle D). if angle A = 140 degree and angle D = 60 degree, then angle B is?

In the figure. C is the mid point of an and d is the mid point of ac.PT AD =1/4 AB

18. If the system of linear equation X+ky+3z=0 3X+ky-2z=0 2X+4y-3z=0 has non zero solution x,y,z then xz/y*2 is equal to

0.32¯ when expressed in the form pq (p, q are integers q ≠ 0), is(a) 825(b) 2990(c) 3299(d) 32199

When the polynomial x2+bx+c is divided by x−2, the remainder is 4. What is the value of 4b + 2c ?0

A chord 24 cm long is drawn in a circle of radius 13 cm. Then its distance from the centre is

Question 3 (ii) A cloth having an area of 165 m2 is shaped into the form of a conical tent of radius 5 m. (i) Find the volume of the cone.

If the radii of two cylinder are in the ratio 2 : 3 and their heights are in the ratio 5 : 3, then find the ratio of their volumes.

Does rational numbers come under the closure property of subtraction as in the video it was 5/4 and -5/4

From the given figure, determine tan A.

In the given figure, if AB || DE, ∠BAC = 35º and ∠CDE = 53º, find ∠DCE.

From a school, 80 boys and 45 girls appeared for a public examination. The average marks obtained by boys is found to be 65 whereas the average marks of girls is 70. What is the average marks of the school?

Find the area of the quadrilateral PQRS, whose diagonal QS = 19.5 cm and the offsets on it are 5.4 cm and 10.6 cm.

Which of the following is a measure of central tendency?

A circle with center O is shown. AB in the figure is a :

Which one of the following is/are incorrect?

24 The product of all the real values of y for equation (y+2)(y+3)(y+4)(y+5)=24 is equal to (1) 0 (2) 12 (3) -6 (4) 6

Let f(x)=8x,x≠0 and fog(x)=4x. If gof(x)=3, then x is

The angles of a triangle are in the ratio 5:3:7. The triangle is ________ .

Find the area of a quadrilateral ABCD in which AB = 42 cm, BC = 21 cm, CD = 29 cm, DA = 34 cm and diagonal BD = 20 cm.

Construct a triangle with sides 5 cm, 6 cm and 7 cm and then another triangle whose sides are 75 of the corresponding sides of the first triangle.

The power of (2,1) with respect to the circle 2x2+2y2−8x−6y+k = 0 is positive if

In the given figure AB||CD and CD||RE. If y:z =3:7 then x (a)108∘ (b)126∘ (c)162∘ (d)63∘

x4 − 2x3 − 7x2 + 8x + 12