Explore topic-wise InterviewSolutions in .

This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

11651.

Match the following figures with the fractions they represent.

Answer»

Match the following figures with the fractions they represent.

11652.

Find the area of the parallelogram in which, AE=4 cm and CD=8 cm.

Answer»

Find the area of the parallelogram in which, AE=4 cm and CD=8 cm.


11653.

The area of the curved surface of a cone is 60πcm2. If the slant height of the cone be 8 cm, find the radius of the base.

Answer» The area of the curved surface of a cone is 60πcm2. If the slant height of the cone be 8 cm, find the radius of the base.
11654.

A sum of money becomes 12564 times of itself in 3 years. Find the rate of compound interest.

Answer»

A sum of money becomes 12564 times of itself in 3 years. Find the rate of compound interest.


11655.

Curved surface area of a right circular cylinder is 4.4 m2. If the radius of the base of the cylinder is 0.7 m, find its height.

Answer»

Curved surface area of a right circular cylinder is 4.4 m2. If the radius of the base of the cylinder is 0.7 m, find its height.

11656.

cos 78∘ cos 42∘ cos 36∘=18

Answer»

cos 78 cos 42 cos 36=18

11657.

The floor of a rectangular hall has a perimeter 250 m. If the cost of panting the four walls at the rate of Rs. 10 per m2 is Rs.15000, find the height of the hall.[Hint: Area of the four walls = Lateral surface area.]

Answer»

The floor of a rectangular hall has a perimeter 250 m. If the cost of panting the four walls at the rate of Rs. 10 per m2 is Rs.15000, find the height of the hall.

[Hint: Area of the four walls = Lateral surface area.]

11658.

Find the coordinates of point J as shown in the graph. ​​

Answer»

Find the coordinates of point J as shown in the graph.



​​



11659.

Area of a rectangle and the area of a circle are equal. If dimensions of the rectangle are 14cm×11cm, then radius of the circle is :___ .

Answer» Area of a rectangle and the area of a circle are equal. If dimensions of the rectangle are 14cm×11cm, then radius of the circle is :___ .
11660.

In the given figure, ΔABC is an equilateral triangle. Find m∠BEC.

Answer» In the given figure, ΔABC is an equilateral triangle. Find m∠BEC.


11661.

Solve :2x−3y=2, x+2y=8using the method of substitution.

Answer» Solve :

2x3y=2, x+2y=8

using the method of substitution.
11662.

Question 3 (i)Simplify:223.215

Answer»

Question 3 (i)

Simplify:



223.215



11663.

The angles of elevation of the top of a tower from two points at a distance of 4 m and 9 m from the base of the tower and in the same straight line with it are complementary. Prove that the height of the tower is 6 m.

Answer» The angles of elevation of the top of a tower from two points at a distance of 4 m and 9 m from the base of the tower and in the same straight line with it are complementary. Prove that the height of the tower is 6 m.
11664.

If |A| = 2 and |B| = 4 and angle between them is 60∘, then |A - B| is

Answer»

If |A| = 2 and |B| = 4 and angle between them is 60, then |A - B| is

11665.

Find the area of an isosceles triangle having the base x cm and one side y cm.

Answer» Find the area of an isosceles triangle having the base x cm and one side y cm.
11666.

A storage tank in the form of a cube has water up to its brim. The amount of water in the tank is 4096 m3. After sometime some water was used and , it is found that the depth of water present is 12 m. Find the volume of water used in cubic meters. 1024

Answer» A storage tank in the form of a cube has water up to its brim. The amount of water in the tank is 4096 m3. After sometime some water was used and , it is found that the depth of water present is 12 m. Find the volume of water used in cubic meters.
  1. 1024
11667.

Lines AB and CD intersect at point O. If ∠AOD=50∘, then match the following.

Answer»

Lines AB and CD intersect at point O. If AOD=50, then match the following.

11668.

Derivation of triangle law of vector addition and parallelogram law of vector addition

Answer» Derivation of triangle law of vector addition and parallelogram law of vector addition
11669.

Which of the following statements are true (T) and which are false (F):(i) Sum of the three angles of a triangle is 180°.(ii) A triangle can have two right angles.(iii) All the angles of a triangle can be less than 60°(iv) All the angles of a triangle can be greater than 60°.(v) All the angles of a triangle can be equal to 60°.(vi) A triangle can have two obtuse angles.(vii) A triangle can have at most one obtuse angles.(viii) If one angle of a triangle is obtuse, then it cannot be a right angled triangle.(ix) If one angle of a triangle is obtuse, then it cannot be a right angled triangle.(x) An exterior angle of a triangle is less than either of its interior opposite angles.(xi) An exterior angle of a triangle is equal to the sum of the two interior opposite angles.

Answer» Which of the following statements are true (T) and which are false (F):



(i) Sum of the three angles of a triangle is 180°.



(ii) A triangle can have two right angles.



(iii) All the angles of a triangle can be less than 60°



(iv) All the angles of a triangle can be greater than 60°.



(v) All the angles of a triangle can be equal to 60°.



(vi) A triangle can have two obtuse angles.



(vii) A triangle can have at most one obtuse angles.



(viii) If one angle of a triangle is obtuse, then it cannot be a right angled triangle.



(ix) If one angle of a triangle is obtuse, then it cannot be a right angled triangle.



(x) An exterior angle of a triangle is less than either of its interior opposite angles.



(xi) An exterior angle of a triangle is equal to the sum of the two interior opposite angles.
11670.

Ifx=5+2√6,then find the value of √x+1√x.

Answer»

If

x=5+26,then find the value of x+1x.

11671.

InΔABC, a = 13 cm, b = 12 cm and c = 5 cm. Then, the distance of A from BC is

Answer»

InΔABC, a = 13 cm, b = 12 cm and c = 5 cm. Then, the distance of A from BC is


11672.

At what point the graph of x+y=5 cuts the axis

Answer»

At what point the graph of x+y=5 cuts the axis

11673.

Experimental probability of an event is

Answer»

Experimental probability of an event is


11674.

[(B′∪(B′−A))]′ =_____

Answer»

[(B(BA))] =_____


11675.

What is the coefficient of x in x3 + 3x2 – 2x - 1

Answer»

What is the coefficient of x in x3 + 3x2 – 2x - 1


11676.

In ΔABC, we have ∠A = 60° and ∠B = 70°. Is the vertex C inside or outside the circle with diameter AB?

Answer»

In ΔABC, we have A = 60° and B = 70°. Is the vertex C inside or outside the circle with diameter AB?

11677.

Write the following set in roster form {x:x=n2n+1,where n ϵ N and n<4}.

Answer» Write the following set in roster form {x:x=n2n+1,where n ϵ N and n<4}.
11678.

A water container can hold 40 litres of water. Find the total number of ice cubes of side 5 cm which the container can hold.

Answer» A water container can hold 40 litres of water. Find the total number of ice cubes of side 5 cm which the container can hold.
11679.

Question 1 (i) In an isosceles triangle ABC, with AB = AC, the bisectors of ∠B and ∠C intersect each other at O. Join A to O. Show that: OB = OC

Answer»

Question 1 (i)
In an isosceles triangle ABC, with AB = AC, the bisectors of B and C intersect
each other at O. Join A to O. Show that:
OB = OC

11680.

Read the bar graph shown in Fig. 23.8 and answer the following questions:(i) What is the information given by the bar graph?(ii) How many tickets of Assam State Lottery were sold by the agent?(iii) Of which state, were the maximum number of tickets sold?(iv) State whether true or false.(v) Of which state were the minimum number of tickets sold?

Answer» Read the bar graph shown in Fig. 23.8 and answer the following questions:





(i) What is the information given by the bar graph?



(ii) How many tickets of Assam State Lottery were sold by the agent?



(iii) Of which state, were the maximum number of tickets sold?



(iv) State whether true or false.



(v) Of which state were the minimum number of tickets sold?
11681.

The class marks of a frequency distribution are given as follows: 15,20,25,.................... The class corresponding to the class Mark 20 is?

Answer»

The class marks of a frequency distribution are given as follows: 15,20,25,.................... The class corresponding to the class Mark 20 is?

11682.

In the adjoining figure, ABCD is a quadrilateral. How many pairs of adjacent sides are there? Name them.

Answer»

In the adjoining figure, ABCD is a quadrilateral. How many pairs of adjacent sides are there? Name them.





11683.

23. If the squared difference of the zeroes of the qudratric polynomial f(x) = x + px + 45 is equal to 144 , find the value of p.

Answer» 23. If the squared difference of the zeroes of the qudratric polynomial f(x) = x + px + 45 is equal to 144 , find the value of p.
11684.

In a rhombus ABCD show that diagonal AC bisects ∠A as well as ∠C and diagonal BD bisects ∠B as well as ∠D.

Answer» In a rhombus ABCD show that diagonal AC bisects ∠A as well as ∠C and diagonal BD bisects ∠B as well as ∠D.
11685.

The simple interest on a certain sum for three years is rupees 225 and the compound interest on the same sum at the same rate for 2 years is rupees 153 find the rate of interest and the principal

Answer»

The simple interest on a certain sum for three years is rupees 225 and the compound interest on the same sum at the same rate for 2 years is rupees 153 find the rate of interest and the principal

11686.

The pillars of a temple are cylindrically shaped. Each pillar has a circular base of radius 20 cm and height 10 m. How much concrete mixture would be required to build 14 such pillars?

Answer» The pillars of a temple are cylindrically shaped. Each pillar has a circular base of radius 20 cm and height 10 m. How much concrete mixture would be required to build 14 such pillars?
11687.

Where would the number √2 lie on the number line?

Answer» Where would the number 2 lie on the number line?
11688.

Which of the following statements are true (T) and which are false (F)?(i) Sum of the three sides of a triangle is less than the sum of its three altitudes.(ii) Sum of any two sides of a triangle is greater than twice the median drawn to the third side.(iii) Sum of any two sides of a triangle is greater than the third side.(iv) Difference of any two sides of a triangle is equal to the third side.(v) If two angles of a triangle are unequal, then the greater angle has the larger side opposite to it.(vi) Of all the line segments that can be drawn from a point to a line not containing it, the perpendicular line segment is the shortest one.

Answer» Which of the following statements are true (T) and which are false (F)?



(i) Sum of the three sides of a triangle is less than the sum of its three altitudes.



(ii) Sum of any two sides of a triangle is greater than twice the median drawn to the third side.



(iii) Sum of any two sides of a triangle is greater than the third side.



(iv) Difference of any two sides of a triangle is equal to the third side.



(v) If two angles of a triangle are unequal, then the greater angle has the larger side opposite to it.



(vi) Of all the line segments that can be drawn from a point to a line not containing it, the perpendicular line segment is the shortest one.
11689.

Construct a right triangle whose base is 8 cm and sum of its hypotenuse and other side is 16 cm.

Answer» Construct a right triangle whose base is 8 cm and sum of its hypotenuse and other side is 16 cm.
11690.

Question 5A circular pond is 17.5 m is of diameter. It is surrounded by a 2m wide path . Find the cost of constructing the path at the rate of Rs.25 per m2

Answer» Question 5

A circular pond is 17.5 m is of diameter. It is surrounded by a 2m wide path . Find the cost of constructing the path at the rate of
Rs.25 per m2
11691.

In the figure ABCD is a rhombus. If ∠A =70o, then ∠CDB is

Answer»

In the figure ABCD is a rhombus. If ∠A =70o, then ∠CDB is


11692.

The polynomial ax2+bx+c is a linear polynomial if

Answer»

The polynomial ax2+bx+c is a linear polynomial if



11693.

Which quadrant does the point (-3, 6) lie in?

Answer»

Which quadrant does the point (-3, 6) lie in?



11694.

Curved surface area of a cone is 251.2 cm2 and radius of its base is 8 cm. Find its slant height and perpendicular height. (π = 3.14 )

Answer» Curved surface area of a cone is 251.2 cm2 and radius of its base is 8 cm. Find its slant height and perpendicular height. (π = 3.14 )
11695.

In a ΔABC, ∠A = 50° and BC is produced to a point D. If the bisectors of ∠ABC and ∠ACD meet at E, then ∠E =(a) 25°(b) 50°(c) 100°(d) 75°

Answer» In a ΔABC, ∠A = 50° and BC is produced to a point D. If the bisectors of ∠ABC and ∠ACD meet at E, then ∠E =



(a) 25°



(b) 50°



(c) 100°



(d) 75°
11696.

One of the methods of determining mode is(a) Mode = 2 Median − 3 Mean(b) Mode = 2 Median + 3 Mean(c) Mode = 3 Median − 2 Mean(d) Mode = 3 Median + 2 Mean

Answer» One of the methods of determining mode is



(a) Mode = 2 Median − 3 Mean

(b) Mode = 2 Median + 3 Mean

(c) Mode = 3 Median − 2 Mean

(d) Mode = 3 Median + 2 Mean
11697.

From the adjoining figure, if ∠2 = 55∘ and ∠5 = 60∘ then the lines m and n are ​

Answer»

From the adjoining figure, if 2 = 55 and 5 = 60 then the lines m and n are


11698.

If each observation of the data is decreased by 8 then their mean (a) remains the same (b) is decreased by 8 (c) is increased by 5 (d) becomes 8 times the original mean

Answer»

If each observation of the data is decreased by 8 then their mean
(a) remains the same
(b) is decreased by 8
(c) is increased by 5
(d) becomes 8 times the original mean

11699.

A ladder is placed against a wall such that its foot is at a distance of 2.5 m from the wall and its top reaches 6 m above the ground. Find the length of the ladder.__

Answer»

A ladder is placed against a wall such that its foot is at a distance of 2.5 m from the wall and its top reaches 6 m above the ground. Find the length of the ladder.






__
11700.

Let X and Y be two arbitary, 3 × 3 non – zero, skew – symmetric matrices and Z be an arbitary, 3 × 3 non zero, symmetric matrix. Then, which of the following matrices is/are skew-symmetric?

Answer»

Let X and Y be two arbitary, 3 × 3 non – zero, skew – symmetric matrices and Z be an arbitary, 3 × 3 non zero, symmetric matrix. Then, which of the following matrices is/are skew-symmetric?