19743 + Interview Questions in Mathematics Page 214 InterviewSolution

10651.	Find the missing price.Quantity13579Price50150250?450350
Answer» Find the missing price. $\begin{matrix} Quantity & 1 & 3 & 5 & 7 & 9 Price & 50 & 150 & 250 & ? & 450 \end{matrix}$ 350

10651.

Find the missing price.Quantity13579Price50150250?450350

Answer»

Find the missing price.

$\begin{matrix} Quantity & 1 & 3 & 5 & 7 & 9 Price & 50 & 150 & 250 & ? & 450 \end{matrix}$

350

10652.	The area of a square filed is 64 m2. A path of uniform width is laid around and outside of it.If the area of the path is 17 m2, then the width of the path is(a) 1 m (b) 1.5 m (c) 0.5 m (d) 2 m
Answer» The area of a square filed is 64 m². A path of uniform width is laid around and outside of it. If the area of the path is 17 m², then the width of the path is (a) 1 m (b) 1.5 m (c) 0.5 m (d) 2 m

Discussion

10653.	What does
Answer» What does << and T0 mean in bionomial theorem?

Discussion

10654.	Perpendicular to line segment from a point is
Answer» Perpendicular to line segment from a point is

Discussion

10655.	Question 7 Δ ABC is right angled at A, AD is perpendicular to BC. If AB = 5 cm, BC = 13 cm and AC = 12, find the area of Δ ABC. Also, find the length of AD.
Answer» Question 7 $Δ$ ABC is right angled at A, AD is perpendicular to BC. If AB = 5 cm, BC = 13 cm and AC = 12, find the area of $Δ$ ABC. Also, find the length of AD.

10655.

Question 7 Δ ABC is right angled at A, AD is perpendicular to BC. If AB = 5 cm, BC = 13 cm and AC = 12, find the area of Δ ABC. Also, find the length of AD.

Answer»

Question 7

$Δ$ ABC is right angled at A, AD is perpendicular to BC. If AB = 5 cm, BC = 13 cm and AC = 12, find the area of $Δ$ ABC. Also, find the length of AD.

Discussion

10656.	4. Why we use rational number in maths??
Answer» 4. Why we use rational number in maths??

Discussion

10657.	Choose the correct statements about integers.
Answer» Choose the correct statements about integers.

Discussion

10658.	Using Ladder diagram, least common multiple of 45 and 50 is
Answer» Using Ladder diagram, least common multiple of 45 and 50 is

Discussion

10659.	Which of the following should be the FIRST sentence after rearrangement?
Answer» Which of the following should be the FIRST sentence after rearrangement?

Discussion

10660.	Question 55Solve the following:y−(4−3y)2y−(3+4y)=15
Answer» Question 55 Solve the following: $\frac{y - (4 - 3 y)}{2 y - (3 + 4 y)} = \frac{1}{5}$

10660.

Question 55Solve the following:y−(4−3y)2y−(3+4y)=15

Answer»

Question 55

Solve the following:

$\frac{y - (4 - 3 y)}{2 y - (3 + 4 y)} = \frac{1}{5}$

Discussion

10661.	इफ़्फ़न की दादी अपने पीहर क्यों जाना चाहती थीं?
Answer» इफ़्फ़न की दादी अपने पीहर क्यों जाना चाहती थीं?

Discussion

10662.	Sonali invests 15% of her monthly salary in insurance policies. She spends 55% of her monthly salary on shopping and household expenses. She saves the remaining amount of ₹12,750. What is Sonali’s monthly income?
Answer» Sonali invests $15 %$ of her monthly salary in insurance policies. She spends $55 %$ of her monthly salary on shopping and household expenses. She saves the remaining amount of ₹12,750. What is Sonali’s monthly income?

Discussion

10663.	A ray is drawn from a point on a line. If one of the angles formed is five times the other one, then find both the angles.
Answer» A ray is drawn from a point on a line. If one of the angles formed is five times the other one, then find both the angles.

Discussion

10664.	12. What is difference between integration of 0 to pai cos,x and mode cos,x
Answer» 12. What is difference between integration of 0 to pai cos,x and mode cos,x

Discussion

10665.	Why we cannot construct a ∆ABC, if ∠A = 60°, AB = 7 cm and AC + BC = 6 cm.
Answer» Why we cannot construct a ∆ABC, if ∠A = 60°, AB = 7 cm and AC + BC = 6 cm.

Discussion

10666.	623+335+356=?
Answer» $6 \frac{2}{3} + 3 \frac{3}{5} + 3 \frac{5}{6} = ?$

Discussion

10667.	In the given figure, AB \|\| DE. ∠A=43∘ and ∠BDE=57∘. The value of x is ________.
Answer» In the given figure, AB \|\| DE. $∠ A = 43^{\circ} a n d ∠ B D E = 57^{\circ}$ . The value of x is ________.

10667.

In the given figure, AB || DE. ∠A=43∘ and ∠BDE=57∘. The value of x is ________.

Answer»

In the given figure, AB || DE.
$∠ A = 43^{\circ} a n d ∠ B D E = 57^{\circ}$ .
The value of x is ________.

Discussion

10668.	Question 1 (i) Find the value of the unknown exterior angle x in the following diagrams:
Answer» Question 1 (i) Find the value of the unknown exterior angle x in the following diagrams:

Discussion

10669.	149600 is equal to:
Answer» 149600 is equal to:

Discussion

10670.	10. Cos a + cos b + 2cos c=2 then the sides of triangle are in ap,gp,HP?
Answer» 10. Cos a + cos b + 2cos c=2 then the sides of triangle are in ap,gp,HP?

Discussion

10671.	Common in these pictures.
Answer» Common in these pictures.

Discussion

10672.	If side lengths 8 cm,5 cm and 7 cm are given can it form a triangle?
Answer» If side lengths $8 cm, 5 cm$ and $7 cm$ are given can it form a triangle?

Discussion

10673.	A polygon is drawn inside a circle of radius 7 cm. What is the area of the shaded region (in cm2) if the area of the polygon is 24π cm2 ?
Answer» A polygon is drawn inside a circle of radius 7 cm. What is the area of the shaded region (in $c m^{2})$ if the area of the polygon is $24 π c m^{2}$ ?

10673.

A polygon is drawn inside a circle of radius 7 cm. What is the area of the shaded region (in cm2) if the area of the polygon is 24π cm2 ?

Answer»

A polygon is drawn inside a circle of radius 7 cm.

What is the area of the shaded region (in $c m^{2})$ if the area of the polygon is $24 π c m^{2}$ ?

Discussion

10674.	Question 74 If −57=x28, find the value of x.
Answer» Question 74 If $\frac{- 5}{7} = \frac{x}{28},$ find the value of x.

10674.

Question 74 If −57=x28, find the value of x.

Answer»

Question 74

If $\frac{- 5}{7} = \frac{x}{28},$ find the value of x.

Discussion

10675.	Find the value of x in kx+a=mx+b.
Answer» Find the value of $x$ in $k x + a = m x + b$ .

Discussion

10676.	The area of the triangle shown below is ________ cm2 32
Answer» The area of the triangle shown below is ________ $c m^{2}$ 32

Discussion

10677.	A farmer wants to plough his square field of side 150m. How much area will he have to plough?
Answer» A farmer wants to plough his square field of side 150m. How much area will he have to plough?

Discussion

10678.	In the figure, the adjacent angles are:
Answer» In the figure, the adjacent angles are:

Discussion

10679.	Question 6 After rotating by 60∘ about a centre, a figure looks exactly the same as its original position. At what other angles will this happen for the figure?
Answer» Question 6 After rotating by $60^{\circ}$ about a centre, a figure looks exactly the same as its original position. At what other angles will this happen for the figure?

Discussion

10680.	As per Indian Standard (IS: 4987 - 1968 Code) the number of rain gauges to be provided for 1000 km2 hilly area with heavy rainfall are ________8
Answer» As per Indian Standard (IS: 4987 - 1968 Code) the number of rain gauges to be provided for 1000 km $^{2}$ hilly area with heavy rainfall are ________ 8

Discussion

10681.	Find the missing price.Quantity13579Price50150250?450350
Answer» Find the missing price. $\begin{matrix} Quantity & 1 & 3 & 5 & 7 & 9 Price & 50 & 150 & 250 & ? & 450 \end{matrix}$ 350

10681.

Find the missing price.Quantity13579Price50150250?450350

Answer»

Find the missing price.

$\begin{matrix} Quantity & 1 & 3 & 5 & 7 & 9 Price & 50 & 150 & 250 & ? & 450 \end{matrix}$

350

Discussion

10682.	Find the solution set of the given inequation −8−x4>1; x ϵ R.
Answer» Find the solution set of the given inequation $- 8 - \frac{x}{4} > 1; x ϵ R$ .

Discussion

10683.

The funds allotted by the government for various development activities are given. Draw a pie-chart for the same.Development Activity Funds allotted (in crores) Agriculture 560 Irrigation 450 Industries 890 Electricity 440 Transport 1,260

Answer»

The funds allotted by the government for various development activities are given. Draw a pie-chart for the same.

Development Activity		Funds allotted (in crores)
Agriculture		560
Irrigation		450
Industries		890
Electricity		440
Transport		1,260

Discussion

10684.	Question 81 (v)Add :2p4−3p3+p2−5p+7,−3p4−7p3−3p2−p−12
Answer» Question 81 (v) Add : $2 p^{4} - 3 p^{3} + p^{2} - 5 p + 7, - 3 p^{4} - 7 p^{3} - 3 p^{2} - p - 12$

10684.

Question 81 (v)Add :2p4−3p3+p2−5p+7,−3p4−7p3−3p2−p−12

Answer»

Question 81 (v)

Add :

$2 p^{4} - 3 p^{3} + p^{2} - 5 p + 7, - 3 p^{4} - 7 p^{3} - 3 p^{2} - p - 12$

Discussion

10685.	Prove (A intersection B) '=A'UB'By venns diagram and without venns diagram also
Answer» Prove (A intersection B) '=A'UB' By venns diagram and without venns diagram also

Discussion

10686.	Topic forked line method
Answer» Topic forked line method

Discussion

10687.	(i) If z = 10, find the value of z3 − 3 (z − 10).(ii) If p = − 10, find the value of p2 − 2p − 100
Answer» (i) If z = 10, find the value of z³ − 3 (z − 10). (ii) If p = − 10, find the value of p² − 2p − 100

10687.

(i) If z = 10, find the value of z3 − 3 (z − 10).(ii) If p = − 10, find the value of p2 − 2p − 100

Answer»

(i) If z = 10, find the value of z³ − 3 (z − 10).

(ii) If p = − 10, find the value of p² − 2p − 100

Discussion

10688.	The order of rotational symmetry of an equilateral triangle is(a) 0(b) 1(c) 2(d) 3
Answer» The order of rotational symmetry of an equilateral triangle is (a) 0 (b) 1 (c) 2 (d) 3

Discussion

10689.	In which of the months, the number of people attending the mass prayers is maximum and the number of people attending lunch is minimum?
Answer» In which of the months, the number of people attending the mass prayers is maximum and the number of people attending lunch is minimum?

10689.

In which of the months, the number of people attending the mass prayers is maximum and the number of people attending lunch is minimum?

Answer»

In which of the months, the number of people attending the mass prayers is maximum and the number of people attending lunch is minimum?

Discussion

10690.	For the whole number 1729, predecessor is and successor is .
Answer» For the whole number $1729,$ predecessor is and successor is .

Discussion

10691.	Find the degree of the product 2xy×7x2y2
Answer» Find the degree of the product $2 x y \times 7 x^{2} y^{2}$

Discussion

10692.	Two trains are travelling at an average speed 50 kmph and 100 kmph respectively on parallel tracks in the same direction. The fast train starts 2 hours later than the slow train. After how many kilometers does the fast train catch up with the slow train?200
Answer» Two trains are travelling at an average speed 50 kmph and 100 kmph respectively on parallel tracks in the same direction. The fast train starts 2 hours later than the slow train. After how many kilometers does the fast train catch up with the slow train? 200

Discussion

10693.	Question 105Solve the following question:What is the least number, that should be subtracted from 1385 to get a perfect square? Also, find the square root of the perfect square.
Answer» Question 105 Solve the following question: What is the least number, that should be subtracted from 1385 to get a perfect square? Also, find the square root of the perfect square.

10693.

Question 105Solve the following question:What is the least number, that should be subtracted from 1385 to get a perfect square? Also, find the square root of the perfect square.

Answer»

Question 105

Solve the following question:

What is the least number, that should be subtracted from 1385 to get a perfect square? Also, find the square root of the perfect square.

Discussion

10694.	Find the number whose 1. 10% is 25 2. 6/1/4% is 2
Answer» Find the number whose 1. 10% is 25 2. 6/1/4% is 2

Discussion

10695.	If Alex travels at 70 miles per hour, how far can he travel in 7.5 hours?
Answer» If Alex travels at 70 miles per hour, how far can he travel in 7.5 hours?

Discussion

10696.	If what is the value of ‘x’?
Answer» If what is the value of ‘x’?

Discussion

10697.	A fruit seller sells 40% of his apples and is left with 420 apples. How many apples did he have initially?
Answer» A fruit seller sells 40% of his apples and is left with 420 apples. How many apples did he have initially?

Discussion

10698.	Completethe congruence statement:ΔBCA≅?ΔQRS≅?
Answer» Complete the congruence statement: ΔBCA ≅? ΔQRS ≅?

10698.

Completethe congruence statement:ΔBCA≅?ΔQRS≅?

Answer»

Complete
the congruence statement:

ΔBCA
≅?

ΔQRS
≅?

Discussion

10699.	The area of a rectangle garden 50 m long is 300 m2, find the width of the garden.
Answer» The area of a rectangle garden 50 m long is 300 $m^{2}$ , find the width of the garden.

Discussion

10700.

Sophia deposited Rs 8,000 in a post office for 5 years at the rate of 9% p.a. simple interest. Find the interest earned.

Answer»

Sophia deposited Rs 8,000 in a post office for 5 years at the rate of 9% p.a. simple interest. Find the interest earned.

Discussion

Explore topic-wise InterviewSolutions in .

Find the missing price.Quantity13579Price50150250?450350

The area of a square filed is 64 m2. A path of uniform width is laid around and outside of it.If the area of the path is 17 m2, then the width of the path is(a) 1 m (b) 1.5 m (c) 0.5 m (d) 2 m

What does

Perpendicular to line segment from a point is

Question 7 Δ ABC is right angled at A, AD is perpendicular to BC. If AB = 5 cm, BC = 13 cm and AC = 12, find the area of Δ ABC. Also, find the length of AD.

4. Why we use rational number in maths??

Choose the correct statements about integers.

Using Ladder diagram, least common multiple of 45 and 50 is

Which of the following should be the FIRST sentence after rearrangement?

Question 55Solve the following:y−(4−3y)2y−(3+4y)=15

इफ़्फ़न की दादी अपने पीहर क्यों जाना चाहती थीं?

Sonali invests 15% of her monthly salary in insurance policies. She spends 55% of her monthly salary on shopping and household expenses. She saves the remaining amount of ₹12,750. What is Sonali’s monthly income?

A ray is drawn from a point on a line. If one of the angles formed is five times the other one, then find both the angles.

12. What is difference between integration of 0 to pai cos,x and mode cos,x

Why we cannot construct a ∆ABC, if ∠A = 60°, AB = 7 cm and AC + BC = 6 cm.

623+335+356=?

In the given figure, AB || DE. ∠A=43∘ and ∠BDE=57∘. The value of x is ________.

Question 1 (i) Find the value of the unknown exterior angle x in the following diagrams:

149600 is equal to:

10. Cos a + cos b + 2cos c=2 then the sides of triangle are in ap,gp,HP?

Common in these pictures.

If side lengths 8 cm,5 cm and 7 cm are given can it form a triangle?

A polygon is drawn inside a circle of radius 7 cm. What is the area of the shaded region (in cm2) if the area of the polygon is 24π cm2 ?

Question 74 If −57=x28, find the value of x.

Find the value of x in kx+a=mx+b.

The area of the triangle shown below is ________ cm2 32

A farmer wants to plough his square field of side 150m. How much area will he have to plough?

In the figure, the adjacent angles are:

Question 6 After rotating by 60∘ about a centre, a figure looks exactly the same as its original position. At what other angles will this happen for the figure?

As per Indian Standard (IS: 4987 - 1968 Code) the number of rain gauges to be provided for 1000 km2 hilly area with heavy rainfall are ________8

Find the missing price.Quantity13579Price50150250?450350

Find the solution set of the given inequation −8−x4&gt;1; x ϵ R.

The funds allotted by the government for various development activities are given. Draw a pie-chart for the same.Development Activity Funds allotted (in crores) Agriculture 560 Irrigation 450 Industries 890 Electricity 440 Transport 1,260

Question 81 (v)Add :2p4−3p3+p2−5p+7,−3p4−7p3−3p2−p−12

Prove (A intersection B) '=A'UB'By venns diagram and without venns diagram also

Topic forked line method

(i) If z = 10, find the value of z3 − 3 (z − 10).(ii) If p = − 10, find the value of p2 − 2p − 100

The order of rotational symmetry of an equilateral triangle is(a) 0(b) 1(c) 2(d) 3

In which of the months, the number of people attending the mass prayers is maximum and the number of people attending lunch is minimum? ​

For the whole number 1729, predecessor is and successor is .

Find the degree of the product 2xy×7x2y2

Two trains are travelling at an average speed 50 kmph and 100 kmph respectively on parallel tracks in the same direction. The fast train starts 2 hours later than the slow train. After how many kilometers does the fast train catch up with the slow train?200

Question 105Solve the following question:What is the least number, that should be subtracted from 1385 to get a perfect square? Also, find the square root of the perfect square.

Find the number whose 1. 10% is 25 2. 6/1/4% is 2

If Alex travels at 70 miles per hour, how far can he travel in 7.5 hours?

If what is the value of ‘x’?

A fruit seller sells 40% of his apples and is left with 420 apples. How many apples did he have initially?​

Completethe congruence statement:ΔBCA≅?ΔQRS≅?

The area of a rectangle garden 50 m long is 300 m2, find the width of the garden.

Sophia deposited Rs 8,000 in a post office for 5 years at the rate of 9% p.a. simple interest. Find the interest earned.

Find the solution set of the given inequation −8−x4>1; x ϵ R.

In which of the months, the number of people attending the mass prayers is maximum and the number of people attending lunch is minimum?

A fruit seller sells 40% of his apples and is left with 420 apples. How many apples did he have initially?