24740 + Interview Questions in Mathematics Page 113 InterviewSolution

5601.	Find the y-intercept of the line 2x-3y+5=0
Answer» Find the y-intercept of the line 2x-3y+5=0

Discussion

5602.	If x2 − 1 is a factor of ax4 + bx3 + cx2 + dx + e, then(a) a + c + e = b + d(b) a + b +e = c + d(c) a + b + c = d + e(d) b + c + d = a + e
Answer» If x² − 1 is a factor of ax⁴ + bx³ + cx² + dx + e, then (a) a + c + e = b + d (b) a + b +e = c + d (c) a + b + c = d + e (d) b + c + d = a + e

Discussion

5603.	No. of polynomials having the zeroes 2 and 1
Answer» No. of polynomials having the zeroes 2 and 1

Discussion

5604.	Question 9In given figure, ABC is a triangle right angled at B and BD⊥AC. If AD =4 cm and CD = 5cm, then find BD and AB.
Answer» Question 9 In given figure, ABC is a triangle right angled at B and $B D ⊥ A C$ . If AD =4 cm and CD = 5cm, then find BD and AB.

Discussion

5605.	Distance between √2 & -√2 on the number line approximately is _____________.
Answer» Distance between $\sqrt{2}$ & - $\sqrt{2}$ on the number line approximately is _____________.

Discussion

5606.	If 13+23+...+93=2025, then (0.11)3+(0.22)3+...(0.99)3 will be _________.
Answer» If $1^{3} + 2^{3} + . . . + 9^{3} = 2025$ , then $(0.11)^{3} + (0.22)^{3} + . . . (0.99)^{3}$ will be _________.

Discussion

5607.	how to find the value of sin 37 degree
Answer» how to find the value of sin 37 degree

Discussion

5608.	Question 1 (i)Solve the following pair of linear equations by the elimination method and the substitution method:x + y =5 and 2x - 3y = 4
Answer» Question 1 (i) Solve the following pair of linear equations by the elimination method and the substitution method: x + y =5 and 2x - 3y = 4

Discussion

5609.	In the given figure, PQ and RS are two mirrors placed parallel to each other. An incident ray AB strikes the mirror PQ at B, the reflected ray moves along the path BC and strikes the mirror RS at C and again reflects back along CD. Prove that AB \|\| CD.
Answer» In the given figure, PQ and RS are two mirrors placed parallel to each other. An incident ray AB strikes the mirror PQ at B, the reflected ray moves along the path BC and strikes the mirror RS at C and again reflects back along CD. Prove that AB \|\| CD.

5609.

In the given figure, PQ and RS are two mirrors placed parallel to each other. An incident ray AB strikes the mirror PQ at B, the reflected ray moves along the path BC and strikes the mirror RS at C and again reflects back along CD. Prove that AB || CD.

Answer»

In the given figure, PQ and RS are two mirrors placed parallel to each other. An incident ray AB strikes the mirror PQ at B, the reflected ray moves along the path BC and strikes the mirror RS at C and again reflects back along CD. Prove that AB || CD.

Discussion

5610.	Fill In The Blanks If O is the circumcentre of ΔABC, then ∠OBC + ∠BAC = __________.
Answer» Fill In The Blanks If O is the circumcentre of ΔABC, then ∠OBC + ∠BAC = __________.

Discussion

5611.	Question 5Three girls Reshma, Salma and Mandip are playing a game by standing on a circle of radius 5 m drawn in a park. Reshma throws a ball to Salma, Salma to Mandip, Mandip to Reshma. If the distance between Reshma and Salma and between Salma and Mandip is 6 m each, what is the distance between Reshma and Mandip?
Answer» Question 5 Three girls Reshma, Salma and Mandip are playing a game by standing on a circle of radius 5 m drawn in a park. Reshma throws a ball to Salma, Salma to Mandip, Mandip to Reshma. If the distance between Reshma and Salma and between Salma and Mandip is 6 m each, what is the distance between Reshma and Mandip?

Discussion

5612.	f(x) = 3x4 + 17x3 + 9x2 − 7x − 10; g(x) = x + 5
Answer» f(x) = 3x⁴ + 17x³ + 9x² − 7x − 10; g(x) = x + 5

Discussion

5613.	Find the area of the triangle ABC.
Answer» Find the area of the triangle ABC.

5613.

Find the area of the triangle ABC.

Answer»

Find the area of the triangle ABC.

Discussion

5614.	In the figure, O is the circumcentre of the triangle ABC, AB = AC and the line OD is perpendicular to the side BC. If BC = 24 cm and OD = 5 cm, then find the circumradius.
Answer» In the figure, O is the circumcentre of the triangle ABC, AB = AC and the line OD is perpendicular to the side BC. If BC = 24 cm and OD = 5 cm, then find the circumradius.

Discussion

5615.	Question 5 (i)Give examples of polynomial p(x), g(x), q(x) and r(x), which satisfy the division algorithm anddeg p(x) = deg q(x)
Answer» Question 5 (i) Give examples of polynomial p(x), g(x), q(x) and r(x), which satisfy the division algorithm and deg p(x) = deg q(x)

5615.

Question 5 (i)Give examples of polynomial p(x), g(x), q(x) and r(x), which satisfy the division algorithm anddeg p(x) = deg q(x)

Answer»

Question 5 (i)

Give examples of polynomial p(x), g(x), q(x) and r(x), which satisfy the division algorithm and

deg p(x) = deg q(x)

Discussion

5616.	Question 9A grouped frequency distribution table with classes of equal sizes using 63 - 72 (72 included) as one of the class is constructed for the following data.30, 32, 45, 54, 74, 78, 108, 112, 66, 76, 8840, 14, 20, 15, 35, 44, 66, 75, 84, 95, 96102, 110, 88, 74, 112, 14, 34, 44.The number of classes in the distribution will be:A) 9B) 10C) 11D) 12
Answer» Question 9 A grouped frequency distribution table with classes of equal sizes using 63 - 72 (72 included) as one of the class is constructed for the following data. 30, 32, 45, 54, 74, 78, 108, 112, 66, 76, 88 40, 14, 20, 15, 35, 44, 66, 75, 84, 95, 96 102, 110, 88, 74, 112, 14, 34, 44. The number of classes in the distribution will be: A) 9 B) 10 C) 11 D) 12

5616.

Question 9A grouped frequency distribution table with classes of equal sizes using 63 - 72 (72 included) as one of the class is constructed for the following data.30, 32, 45, 54, 74, 78, 108, 112, 66, 76, 8840, 14, 20, 15, 35, 44, 66, 75, 84, 95, 96102, 110, 88, 74, 112, 14, 34, 44.The number of classes in the distribution will be:A) 9B) 10C) 11D) 12

Answer»

Question 9

A grouped frequency distribution table with classes of equal sizes using 63 - 72 (72 included) as one of the class is constructed for the following data.

30, 32, 45, 54, 74, 78, 108, 112, 66, 76, 88

40, 14, 20, 15, 35, 44, 66, 75, 84, 95, 96

102, 110, 88, 74, 112, 14, 34, 44.

The number of classes in the distribution will be:

A) 9

B) 10

C) 11

D) 12

Discussion

5617.	In the following figure, E is a point on side CB produced, of an isosceles triangle ABC, with AB = AC. If AD ⊥ BC and EF ⊥ AC, prove that ΔABD∼ΔECF.
Answer» In the following figure, E is a point on side CB produced, of an isosceles triangle ABC, with AB = AC. If AD $⊥$ BC and EF $⊥$ AC, prove that $Δ A B D \sim Δ E C F$ .

Discussion

5618.	Write the coefficients of x2 in each of the following:(i) 2+x2+x(ii) 2−x2+x3
Answer» Write the coefficients of $x^{2}$ in each of the following: (i) $2 + x^{2} + x$ (ii) $2 - x^{2} + x^{3}$

Discussion

5619.	The length of the sides of a cube with total surface area 1536 cm2 is .
Answer» The length of the sides of a cube with total surface area $1536 c m^{2}$ is .

Discussion

5620.	What principal will amount to Rs. 9,856 in two years, if the rates of interest for successive years are 10% and 12% respectively ?
Answer» What principal will amount to Rs. 9,856 in two years, if the rates of interest for successive years are 10% and 12% respectively ?

Discussion

5621.	From the following particulars of a trader, prepare a Bank Reconcilaton Statement as on 31st March, 2018.(i) Bank overdraft as per Cash Book ₹ 52,100.(ii) During the month, the total amount of cheques for ₹ 94,400 were deposited into the bank but of these, one cheque for ₹ 11,160 has been entered into the Pass Book on 5th April.(iii) During the month, cheques for ₹ 89,580 were drawn in favour of creditors. Of them one creditor for ₹ 38,580 encashed his cheque on 7th April whereas another for ₹ 4,320 have not yet been encashed.(iv) As per instructions the bank on 28th March paid out ₹ 10,500 to a creditor but by mistake, the same has not been entered in the Cash Book.(v) According to agreement, on 25th March, a debtor deposited directly into the bank ₹ 9,000 but the same has not been recorded in the Cash Book.(vi) In the month of March, the bank without any intimation, debited his account for ₹ 120 as bank charges and credited the same for ₹ 180 as interest.(vii) Cash deposit of ₹ 5,780 in bank was recorded as ₹ 7,580. The error was rectified by the Bank before 31st March, 2018.
Answer» From the following particulars of a trader, prepare a Bank Reconcilaton Statement as on 31st March, 2018. (i) Bank overdraft as per Cash Book ₹ 52,100. (ii) During the month, the total amount of cheques for ₹ 94,400 were deposited into the bank but of these, one cheque for ₹ 11,160 has been entered into the Pass Book on 5th April. (iii) During the month, cheques for ₹ 89,580 were drawn in favour of creditors. Of them one creditor for ₹ 38,580 encashed his cheque on 7th April whereas another for ₹ 4,320 have not yet been encashed. (iv) As per instructions the bank on 28th March paid out ₹ 10,500 to a creditor but by mistake, the same has not been entered in the Cash Book. (v) According to agreement, on 25th March, a debtor deposited directly into the bank ₹ 9,000 but the same has not been recorded in the Cash Book. (vi) In the month of March, the bank without any intimation, debited his account for ₹ 120 as bank charges and credited the same for ₹ 180 as interest. (vii) Cash deposit of ₹ 5,780 in bank was recorded as ₹ 7,580. The error was rectified by the Bank before 31st March, 2018.

Discussion

5622.	Factorize :(i) x^4 – 20x^2y^2 + 64y^4 (ii) 25x^2 + 90xy + 81y^2 – 20x – 36y
Answer» Factorize : (i) x^4 – 20x^2y^2 + 64y^4 (ii) 25x^2 + 90xy + 81y^2 – 20x – 36y

Discussion

5623.	If x + y + z = 0, then (x + y)3 + (y + z)3 + (z + x)3 = ________.
Answer» If x + y + z = 0, then (x + y)³+ (y + z)³ + (z + x)³ = ________.

Discussion

5624.	A and B are joined sets.If n(A−B)=25+x, n(B−A)=2x, n(A∩B)=2x and n(A) = 2[n(B)], then x = ____.
Answer» A and B are joined sets.If $n (A - B) = 25 + x,$ $n (B - A) = 2 x,$ $n (A \cap B) = 2 x$ and n(A) = 2[n(B)], then x = ____.

Discussion

5625.	In figure, line segments AB and CD bisect each other at O. Which of the following statements is true?(i) ΔAOC ≅ ΔDOB(ii) ΔAOC ≅ ΔBOD(iii) ΔAOC ≅ ΔODBState the three pairs of matching parts you have used to arrive at the answer.
Answer» In figure, line segments AB and CD bisect each other at O. Which of the following statements is true? (i) ΔAOC ≅ ΔDOB (ii) ΔAOC ≅ ΔBOD (iii) ΔAOC ≅ ΔODB State the three pairs of matching parts you have used to arrive at the answer.

5625.

In figure, line segments AB and CD bisect each other at O. Which of the following statements is true?(i) ΔAOC ≅ ΔDOB(ii) ΔAOC ≅ ΔBOD(iii) ΔAOC ≅ ΔODBState the three pairs of matching parts you have used to arrive at the answer.

Answer» In figure, line segments AB and CD bisect each other at O. Which of the following statements is true?

(i) ΔAOC ≅ ΔDOB

(ii) ΔAOC ≅ ΔBOD

(iii) ΔAOC ≅ ΔODB

State the three pairs of matching parts you have used to arrive at the answer.

Discussion

5626.	Joey started a business and he invested Rs. 40000. After some months, Amar joined him with Rs. 30000. At the end of the year, the total profit was divided among them into the ratio of 16:8. Find after how many months did Amar join.
Answer» Joey started a business and he invested Rs. $40000.$ After some months, Amar joined him with Rs. $30000.$ At the end of the year, the total profit was divided among them into the ratio of $16 : 8.$ Find after how many months did Amar join.

Discussion

5627.	In the given figure AB∥EF∥DC; AB = 67.5 cm. DC = 40.5 cm and AE = 52.5 cm. Find the length of EF.
Answer» In the given figure $A B ∥ E F ∥ D C$ ; AB = 67.5 cm. DC = 40.5 cm and AE = 52.5 cm. Find the length of EF.

5627.

In the given figure AB∥EF∥DC; AB = 67.5 cm. DC = 40.5 cm and AE = 52.5 cm. Find the length of EF.

Answer»

In the given figure $A B ∥ E F ∥ D C$ ; AB = 67.5 cm. DC = 40.5 cm and AE = 52.5 cm. Find the length of EF.

Discussion

5628.	In a restaurant, WiFi signal has to be provided only to the deluxe class. Signal reaches each of the customer upto a distance of 21 m from the antenna and the total area for which signal to be provided is 231 m2. What is the angle (in degrees) at which the signal has to be spread over a sector by the antenna?
Answer» In a restaurant, WiFi signal has to be provided only to the deluxe class. Signal reaches each of the customer upto a distance of 21 m from the antenna and the total area for which signal to be provided is 231 $m^{2}$ . What is the angle (in degrees) at which the signal has to be spread over a sector by the antenna?

Discussion

5629.	Which of the following is correct histogram for the given data?
Answer» Which of the following is correct histogram for the given data?

5629.

Which of the following is correct histogram for the given data?

Answer»

Which of the following is correct histogram for the given data?

Discussion

5630.	Every point on a number line represents
Answer» Every point on a number line represents

Discussion

5631.	if tan theta is 1/3 what is the value of theta
Answer» if tan theta is 1/3 what is the value of theta

Discussion

5632.	Question 4(viii) Find 215÷115
Answer» Question 4(viii) Find $2 \frac{1}{5} \div 1 \frac{1}{5}$

Discussion

5633.	The radius and the height of a right circular cone are in the ratio 5 : 12. If its volume is 314 cubic metre, find the slant height and the radius (Use π = 3.14).
Answer» The radius and the height of a right circular cone are in the ratio 5 : 12. If its volume is 314 cubic metre, find the slant height and the radius (Use $π = 3.14$ ).

Discussion

5634.	Factorise.(i) 125p3+q3(ii) 24a3+81b3
Answer» Factorise. $(i) 125 p^{3} + q^{3}$ $(ii) 24 a^{3} + 81 b^{3}$

Discussion

5635.	Question 11 (v)In ΔABC and ΔDEF ,AB=DE, AB \|\| DE, BC =EF and BC ⃦EF. Vertices A, B and C are joined to vertices D, E and F respectively ( see the given figure). Show that AC = DF .
Answer» Question 11 (v) In $Δ A B C a n d Δ D E F$ ,AB=DE, AB \|\| DE, BC =EF and BC ⃦EF. Vertices A, B and C are joined to vertices D, E and F respectively ( see the given figure). Show that AC = DF .

Discussion

5636.	Question 2 (iii)1500 families with 2 children were selected randomly, and the following data were recorded:Number of girls in a family210Number of families475814211Compute the probability of a family, chosen at random, having no girl
Answer» Question 2 (iii) 1500 families with 2 children were selected randomly, and the following data were recorded: $\begin{matrix} Number of girls in a family & 2 & 1 & 0 Number of families & 475 & 814 & 211 \end{matrix}$ Compute the probability of a family, chosen at random, having no girl

Discussion

5637.	Ten bags of wheat flour each marked 5 kg, actually contained the following weights of flour (in kg) 4.97, 5.05, 5.08, 5.03, 5.00, 5.06, 5.08, 4.98, 5.04, 5, 07Find the probability that any of these bags chosen at random contains more than 5 kg of flour.
Answer» Ten bags of wheat flour each marked 5 kg, actually contained the following weights of flour (in kg) 4.97, 5.05, 5.08, 5.03, 5.00, 5.06, 5.08, 4.98, 5.04, 5, 07 Find the probability that any of these bags chosen at random contains more than 5 kg of flour.

Discussion

5638.	The mean of 16 numbers is 8.if 2 is added to every number ,what is the new mean?
Answer» The mean of 16 numbers is 8.if 2 is added to every number ,what is the new mean?

Discussion

5639.	Why are accurate constructions necessary? [1 MARK]
Answer» Why are accurate constructions necessary? [1 MARK]

Discussion

5640.	The zeroes of a polynomial p(x)=ax2+bx+2 are 1 and 2 Which of the following are statements is/are true?
Answer» The zeroes of a polynomial $p (x) = a x^{2} + b x + 2$ are 1 and 2 Which of the following are statements is/are true?

Discussion

5641.	The distance between the points (-1, 5) and (2, 1) is ___ units.
Answer» The distance between the points (-1, 5) and (2, 1) is ___ units.

Discussion

5642.	In the figure, ABC is a triangle in which ∠BAC=30∘. Show that BC is equal to the radius of the circumcircle of ΔABC, whose centre is O. [3 MARKS]
Answer» In the figure, ABC is a triangle in which $∠ B A C = 30^{\circ}$ . Show that BC is equal to the radius of the circumcircle of $Δ A B C$ , whose centre is O. [3 MARKS]

5642.

In the figure, ABC is a triangle in which ∠BAC=30∘. Show that BC is equal to the radius of the circumcircle of ΔABC, whose centre is O. [3 MARKS]

Answer»

In the figure, ABC is a triangle in which $∠ B A C = 30^{\circ}$ . Show that BC is equal to the radius of the circumcircle of $Δ A B C$ , whose centre is O.

[3 MARKS]

Discussion

5643.	If the area of a square is 225 m2, then its perimeter is(a) 15 m (b) 60 m (c) 225 m (d) 30 m
Answer» If the area of a square is 225 m², then its perimeter is (a) 15 m (b) 60 m (c) 225 m (d) 30 m

Discussion

5644.	How many cricket balls can Alex buy from ₹2000, if the cost of one ball is ₹100?
Answer» How many cricket balls can Alex buy from ₹2000, if the cost of one ball is ₹100?

Discussion

5645.	The small groups obtained on grouping all the observations are called ________ and their size is called the _________.
Answer» The small groups obtained on grouping all the observations are called ________ and their size is called the _________.

Discussion

5646.	Let x be a rational number and y be an irrational number. Is x+y necessarily an irrational number ? Give an example in support of your answer.
Answer» Let $x$ be a rational number and $y$ be an irrational number. Is $x + y$ necessarily an irrational number ? Give an example in support of your answer.

Discussion

5647.	Supplementary angle concept
Answer» Supplementary angle concept

Discussion

5648.	In a planet other than earth, the days of week in order are Sunday, Friday, Tuesday, Thursday and Monday. If two days ago, it was Friday. What is today?
Answer» In a planet other than earth, the days of week in order are Sunday, Friday, Tuesday, Thursday and Monday. If two days ago, it was Friday. What is today?

Discussion

5649.	Mark the correct alternative in each of the following:The opposite sides of a quadrilateral have(a) no common point(b) one common point(c) two common points(d) infinitely many common points
Answer» Mark the correct alternative in each of the following: The opposite sides of a quadrilateral have (a) no common point (b) one common point (c) two common points (d) infinitely many common points

Discussion

5650.	Note Use π=227, unless stated otherwise.A conical tent is 10 m high and the radius of its base is 24 m. Find the slant height of the tent. If the cost of 1 m2 canvas is ₹ 70, find the cost of canvas required to make the tent.
Answer» Note Use $π = \frac{22}{7}$ , unless stated otherwise. A conical tent is 10 m high and the radius of its base is 24 m. Find the slant height of the tent. If the cost of 1 m² canvas is ₹ 70, find the cost of canvas required to make the tent.

Discussion

Explore topic-wise InterviewSolutions in .

Find the y-intercept of the line 2x-3y+5=0

If x2 − 1 is a factor of ax4 + bx3 + cx2 + dx + e, then(a) a + c + e = b + d(b) a + b +e = c + d(c) a + b + c = d + e(d) b + c + d = a + e

No. of polynomials having the zeroes 2 and 1

Question 9In given figure, ABC is a triangle right angled at B and BD⊥AC. If AD =4 cm and CD = 5cm, then find BD and AB.

Distance between √2 &amp; -√2 on the number line approximately is _____________.

If 13+23+...+93=2025, then (0.11)3+(0.22)3+...(0.99)3 will be _________.

how to find the value of sin 37 degree

Question 1 (i)Solve the following pair of linear equations by the elimination method and the substitution method:x + y =5 and 2x - 3y = 4

In the given figure, PQ and RS are two mirrors placed parallel to each other. An incident ray AB strikes the mirror PQ at B, the reflected ray moves along the path BC and strikes the mirror RS at C and again reflects back along CD. Prove that AB || CD.

Fill In The Blanks If O is the circumcentre of ΔABC, then ∠OBC + ∠BAC = __________.

f(x) = 3x4 + 17x3 + 9x2 − 7x − 10; g(x) = x + 5

Find the area of the triangle ABC.

In the figure, O is the circumcentre of the triangle ABC, AB = AC and the line OD is perpendicular to the side BC. If BC = 24 cm and OD = 5 cm, then find the circumradius.

Question 5 (i)Give examples of polynomial p(x), g(x), q(x) and r(x), which satisfy the division algorithm anddeg p(x) = deg q(x)

In the following figure, E is a point on side CB produced, of an isosceles triangle ABC, with AB = AC. If AD ⊥ BC and EF ⊥ AC, prove that ΔABD∼ΔECF.

Write the coefficients of x2 in each of the following:(i) 2+x2+x(ii) 2−x2+x3

The length of the sides of a cube with total surface area 1536 cm2 is .

What principal will amount to Rs. 9,856 in two years, if the rates of interest for successive years are 10% and 12% respectively ?

Factorize :(i) x^4 – 20x^2y^2 + 64y^4 (ii) 25x^2 + 90xy + 81y^2 – 20x – 36y

If x + y + z = 0, then (x + y)3 + (y + z)3 + (z + x)3 = ________.

A and B are joined sets.If n(A−B)=25+x, n(B−A)=2x, n(A∩B)=2x and n(A) = 2[n(B)], then x = ____.

In figure, line segments AB and CD bisect each other at O. Which of the following statements is true?(i) ΔAOC ≅ ΔDOB(ii) ΔAOC ≅ ΔBOD(iii) ΔAOC ≅ ΔODBState the three pairs of matching parts you have used to arrive at the answer.

Joey started a business and he invested Rs. 40000. After some months, Amar joined him with Rs. 30000. At the end of the year, the total profit was divided among them into the ratio of 16:8. Find after how many months did Amar join.

In the given figure AB∥EF∥DC; AB = 67.5 cm. DC = 40.5 cm and AE = 52.5 cm. Find the length of EF.

Which of the following is correct histogram for the given data?

Every point on a number line represents

if tan theta is 1/3 what is the value of theta

Question 4(viii) Find 215÷115

The radius and the height of a right circular cone are in the ratio 5 : 12. If its volume is 314 cubic metre, find the slant height and the radius (Use π = 3.14).

Factorise.(i) 125p3+q3(ii) 24a3+81b3

Question 11 (v)In ΔABC and ΔDEF ,AB=DE, AB || DE, BC =EF and BC ⃦EF. Vertices A, B and C are joined to vertices D, E and F respectively ( see the given figure). Show that AC = DF .

Question 2 (iii)1500 families with 2 children were selected randomly, and the following data were recorded:Number of girls in a family210Number of families475814211Compute the probability of a family, chosen at random, having no girl

Ten bags of wheat flour each marked 5 kg, actually contained the following weights of flour (in kg) 4.97, 5.05, 5.08, 5.03, 5.00, 5.06, 5.08, 4.98, 5.04, 5, 07Find the probability that any of these bags chosen at random contains more than 5 kg of flour.

The mean of 16 numbers is 8.if 2 is added to every number ,what is the new mean?

Why are accurate constructions necessary? [1 MARK]

The zeroes of a polynomial p(x)=ax2+bx+2 are 1 and 2 Which of the following are statements is/are true?

The distance between the points (-1, 5) and (2, 1) is ___ units.

In the figure, ABC is a triangle in which ∠BAC=30∘. Show that BC is equal to the radius of the circumcircle of ΔABC, whose centre is O. [3 MARKS]

If the area of a square is 225 m2, then its perimeter is(a) 15 m (b) 60 m (c) 225 m (d) 30 m

How many cricket balls can Alex buy from ₹2000, if the cost of one ball is ₹100?

The small groups obtained on grouping all the observations are called ________ and their size is called the _________.

Let x be a rational number and y be an irrational number. Is x+y necessarily an irrational number ? Give an example in support of your answer.

Supplementary angle concept

In a planet other than earth, the days of week in order are Sunday, Friday, Tuesday, Thursday and Monday. If two days ago, it was Friday. What is today?

Mark the correct alternative in each of the following:The opposite sides of a quadrilateral have(a) no common point(b) one common point(c) two common points(d) infinitely many common points

Note Use π=227, unless stated otherwise.A conical tent is 10 m high and the radius of its base is 24 m. Find the slant height of the tent. If the cost of 1 m2 canvas is ₹ 70, find the cost of canvas required to make the tent.

Distance between √2 & -√2 on the number line approximately is _____________.

The small groups obtained on grouping all the observations are called and their size is called the _.