Explore topic-wise InterviewSolutions in Current Affairs.

This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

1.

The remainder when the polynomial p(x)= x3 – 3x2 + 2x – 1 is divided by x-2 is

Answer»

The remainder when the polynomial p(x)= x3 – 3x2 + 2x – 1 is divided by x-2 is


2.

If a transversal intersects two parallel lines, then each pair of corresponding angles is ………

Answer»

If a transversal intersects two parallel lines, then each pair of corresponding angles is ………


3.

In the following figure, PT is the bisector of ___________.

Answer»

In the following figure, PT is the bisector of ___________.


4.

What should be added to each of the numbers 13, 17 and 22 so that, the resulting numbers are in continued proportion? Continued proportion means a:b : : b:c

Answer»

What should be added to each of the numbers 13, 17 and 22 so that, the resulting numbers are in continued proportion?

Continued proportion means a:b : : b:c


5.

In which of the following equations is x and y in inverse proportion ?

Answer»

In which of the following equations is x and y in inverse proportion ?


6.

In the given figure, AF is parallel to CD, ED is parallel to FC and AD is parallel to BI. J is the mid point of AI. What will be the ratio of Area of trapezium AJCBArea of parallelogram EFCD?

Answer»

In the given figure, AF is parallel to CD, ED is parallel to FC and AD is parallel to BI. J is the mid point of AI. What will be the ratio of Area of trapezium AJCBArea of parallelogram EFCD?


7.

The base of a triangular field is 2.4 times its height. If the cost of levelling the field at the rate of Rs 20 per square meter is Rs 9600, then the height of the field is _______________ m.

Answer»

The base of a triangular field is 2.4 times its height. If the cost of levelling the field at the rate of Rs 20 per square meter is Rs 9600, then the height of the field is _______________ m.


8.

Find ∠CAD if CA = CD and ∠ACD=58∘.61

Answer» Find CAD if CA = CD and ACD=58.
  1. 61
9.

The perimeter of a right triangle is 144cm and it's hypotenuse measure 65 cm . Find the length of other two sides and calculate it's area verify the results using Herons formula

Answer» The perimeter of a right triangle is 144cm and it's hypotenuse measure 65 cm . Find the length of other two sides and calculate it's area verify the results using Herons formula
10.

In the area theorem, triangles between the two parallel lines should have___.

Answer»

In the area theorem, triangles between the two parallel lines should have___.


11.

In given figure △ ABC and △ DEF are similar, BC=4cm, EF=5cm, and area of triangle ABC=32cm2 find the area of △ DEF

Answer»

In given figure ABC and DEF are similar, BC=4cm, EF=5cm, and area of triangle ABC=32cm2 find the area of DEF


12.

Question 33 25.4×1000= ___.

Answer»

Question 33

25.4×1000= ___.

13.

Arrange the following rational numbers in ascending order: 1216,49 and 610

Answer»

Arrange the following rational numbers in ascending order: 1216,49 and 610


14.

Question 5(iv) Show that: (4pq+3q)2−(4pq−3q)2=48pq2

Answer» Question 5(iv)
Show that:
(4pq+3q)2(4pq3q)2=48pq2
15.

The sums of the deviations of a set of n values x1,x2,....,xnmeasured from 15 and -3 are -90 and 54 respectively.Find the value of n and mean.

Answer»

The sums of the deviations of a set of n values x1,x2,....,xnmeasured from 15 and -3 are -90 and 54 respectively.Find the value of n and mean.

16.

Hameed has built a cubical water tank with lid for his house, with each outer edge 1.5m long. He gets the outer surface of the tank excluding the base, covered with square tiles of side 25 cm. Find how much be would spend for the tiles, if the cost of tiles is Rs. 360 per dozen.

Answer»

Hameed has built a cubical water tank with lid for his house, with each outer edge 1.5m long. He gets the outer surface of the tank excluding the base, covered with square tiles of side 25 cm. Find how much be would spend for the tiles, if the cost of tiles is Rs. 360 per dozen.

17.

Choose the correct answer in each of the following questions: Let m be the midpoint and u be the upper class limit of a class in a continuous frequency distribution. The lower class limit of the class is (a) 2m - u (b) 2m + u (c) m - u (d) m + u

Answer»

Choose the correct answer in each of the following questions:
Let m be the midpoint and u be the upper class limit of a class in a continuous frequency distribution. The lower class limit of the class is
(a) 2m - u
(b) 2m + u
(c) m - u
(d) m + u

18.

Rearrange 4x - 2y + 8 = 0 in the form y = mx + c, and determine the Y intercept of the line. Does this line pass through (1,6). [3 MARKS]

Answer»

Rearrange 4x - 2y + 8 = 0 in the form y = mx + c, and determine the Y intercept of the line. Does this line pass through (1,6). [3 MARKS]

19.

Prove that: (14)−2−3×823×40+(916)−12=163

Answer» Prove that:
(14)23×823×40+(916)12=163
20.

Factorise: x2−y2−4xz+4z2

Answer»

Factorise:

x2y24xz+4z2

21.

If a and b are different primes such that (i)[a−1b2a2b−4]7÷[a3b−5a−2b3]=axby,find x and y. (ii)(a+b)−1(a−1+b−1)=axby,find x+y+2.

Answer»

If a and b are different primes such that (i)[a1b2a2b4]7÷[a3b5a2b3]=axby,find x and y.

(ii)(a+b)1(a1+b1)=axby,find x+y+2.

22.

Question 7 In the figure, if ∠DAB=60∘, ∠ABD=50∘ then ∠ABC is equal to (A) 60∘ (B) 50∘ (C) 70∘ (D) 80∘

Answer» Question 7
In the figure, if DAB=60, ABD=50 then ABC is equal to

(A) 60
(B) 50
(C) 70
(D) 80
23.

If a2+b2+c2=16 and ab + bc + ca = 10, find the value of a + b + c.

Answer»

If a2+b2+c2=16 and ab + bc + ca = 10, find the value of a + b + c.

24.

Question 70 The largest square that can be drawn in a circle has a side whose length is 0.707 times the diameter of the circle. By this rule, find the length of the side of such a square, when the diameter of the circle is (a) 14..5 (b) 8.63

Answer»

Question 70

The largest square that can be drawn in a circle has a side whose length is 0.707 times the diameter of the circle. By this rule, find the length of the side of such a square, when the diameter of the circle is
(a) 14..5 (b) 8.63

25.

If measures opposite angles of a parallelogram are (60−x)∘ and (3x−4)∘, then find the measures of angles of the parallelogram.

Answer»

If measures opposite angles of a parallelogram are (60x) and (3x4), then find the measures of angles of the parallelogram.

26.

What is the median of the following data: 1, 4, 7, 3, 9, 5, 3, 2, 7.

Answer»

What is the median of the following data: 1, 4, 7, 3, 9, 5, 3, 2, 7.


27.

If a - b = 6 and ab = 20, find the value of a3−b3.

Answer»

If a - b = 6 and ab = 20, find the value of a3b3.

28.

In a right angled triangle ABC in which ∠A = 90∘, If AD ⊥ BC.

Answer»

In a right angled triangle ABC in which ∠A = 90, If AD BC.


29.

If D and E are respectively the midpoints of the sides AB and BC of ΔABC in which AB = 7.2 cm, BC = 9.8 cm and AC = 3.6 cm then determine the length of DE.

Answer»

If D and E are respectively the midpoints of the sides AB and BC of ΔABC in which AB = 7.2 cm, BC = 9.8 cm and AC = 3.6 cm then determine the length of DE.

30.

The heights of 75 stucents in a school are given below: Height (in cm)130−136136−142142−148148−154154−160160−166Number of students9121823103 Draw a histogram to represent the above data.

Answer»

The heights of 75 stucents in a school are given below:
Height (in cm)130136136142142148148154154160160166Number of students9121823103
Draw a histogram to represent the above data.

31.

In the figure, ABC is an equilateral triangle. Find ∠BDC and ∠BEC.

Answer»

In the figure, ABC is an equilateral triangle. Find BDC and BEC.

32.

If a, b, c are positive real numbers, then 5√3125a10b5c10 is equal to

Answer»

If a, b, c are positive real numbers, then 53125a10b5c10 is equal to


33.

Question 13(i) The following are the ages of 300 patients getting medical treatment in a hospital on a particular day Age(in year)10−2020−3030−4040−5050−6060−70Number of patients604255705320 Form (i) Less than type cumulative frequency distribution.

Answer» Question 13(i)
The following are the ages of 300 patients getting medical treatment in a hospital on a particular day
Age(in year)102020303040405050606070Number of patients604255705320
Form
(i) Less than type cumulative frequency distribution.
34.

The factors of a3+b3+c3−3abc are

Answer»

The factors of a3+b3+c33abc are


35.

If x3+6x2+4x+k is divisible by (x+2),then the value of k is:

Answer» If x3+6x2+4x+k is divisible by (x+2),then the value of k is:
36.

When 5pq(p2−q2) is divided by 2p(p+q) and substituting p=3, q=1 the value obtained is _______ .

Answer»

When 5pq(p2q2) is divided by 2p(p+q) and substituting p=3, q=1 the value obtained is _______ .

37.

The table below gives data about the number of homework questions that the math teacher gave in the last 20 days. No.ofQuestionsinaday01−56−1010+Numberofdays21053 Find the probability that on any given day, she will give (i) More than 5 questions (ii) No homework (iii) More than 10 questions (iv) Comparing (i) and (iii), which is greater, and why?

Answer»

The table below gives data about the number of homework questions that the math teacher gave in the last 20 days.

No.ofQuestionsinaday01561010+Numberofdays21053

Find the probability that on any given day, she will give

(i) More than 5 questions
(ii) No homework
(iii) More than 10 questions
(iv) Comparing (i) and (iii), which is greater, and why?

38.

Two coins are tossed 500 times and the out comes are: No tail: 130, One tail: 235, Two tails: 135 Find the Probability of getting one tail.

Answer»

Two coins are tossed 500 times and the out comes are:
No tail: 130, One tail: 235, Two tails: 135
Find the Probability of getting one tail.

39.

In the figure, ABC is a right triangle right angled at A. BCED, ACFG and ABMN are squares on the sides BC, CA and AB respectively. Line segment AX⊥DE meets BC at Y Show that (i)△MBC≅△ABD(ii)ar(BYXD)=2ar(△MBC)(iii)ar(BYXD)=ar(ABMN)(iv)△FCB≅△ACE(v)ar(CYXE)=2ar(△FCB)(vi)ar(CYXE)=ar(ACFG)(vii)ar(BCED)=ar(AMBN)+ar(ACFG)

Answer»

In the figure, ABC is a right triangle right angled at A. BCED, ACFG and ABMN are squares on the sides BC, CA and AB respectively. Line segment AXDE meets BC at Y Show that
(i)MBCABD(ii)ar(BYXD)=2ar(MBC)(iii)ar(BYXD)=ar(ABMN)(iv)FCBACE(v)ar(CYXE)=2ar(FCB)(vi)ar(CYXE)=ar(ACFG)(vii)ar(BCED)=ar(AMBN)+ar(ACFG)

40.

Factorize: x2−2√2x−30

Answer»

Factorize:

x222x30

41.

Factorise: a−b−a2+b2

Answer»

Factorise:
aba2+b2

42.

The marks obtained by a student in different subjects in an exam are given below. SubjectMarksEnglish77Hindi90Maths70Physics86Chemistry85Biology97Computer Sci.59History62Geography100Moral Sci.75 Find the probability that in an exam, she will score (i)100 (ii)80 or more (iii) less than 60. [4 MARKS]

Answer»

The marks obtained by a student in different subjects in an exam are given below.

SubjectMarksEnglish77Hindi90Maths70Physics86Chemistry85Biology97Computer Sci.59History62Geography100Moral Sci.75

Find the probability that in an exam, she will score
(i)100
(ii)80 or more
(iii) less than 60. [4 MARKS]

43.

Three metal cubes with edges 6 cm, 8 cm and 10 cm respectively are melted together and formed into a single cube. Find the volume surface area and diagonal of the new cube.

Answer»

Three metal cubes with edges 6 cm, 8 cm and 10 cm respectively are melted together and formed into a single cube. Find the volume surface area and diagonal of the new cube.

44.

For what value of c will ax + by + c = 0 pass through the origin? __

Answer»

For what value of c will ax + by + c = 0 pass through the origin?


__
45.

Question 2 In figure, D and E are points on side BC of the a ΔABC such that BD = CE and AD = AE, show that ΔABD≅ΔAE show that ΔABD≅ΔACE

Answer» Question 2
In figure, D and E are points on side BC of the a ΔABC such that BD = CE and AD = AE, show that ΔABDΔAE show that ΔABDΔACE
46.

Question 6 ABCD is such a quadrilateral that A is the centre of the circle passing through B, C and D. Prove that ∠CBD+∠CDB=12∠BAD.

Answer» Question 6
ABCD is such a quadrilateral that A is the centre of the circle passing through B, C and D. Prove that CBD+CDB=12BAD.
47.

If the base radius and the height of a right circular cone are increased by 20 %,then the percentage increase in volume is approximately

Answer»

If the base radius and the height of a right circular cone are increased by 20 %,then the percentage increase in volume is approximately


48.

If any two adjacent angles in a quadrilateral are supplementary, then the quadrilateral is

Answer»

If any two adjacent angles in a quadrilateral are supplementary, then the quadrilateral is


49.

Difference of any two sides of a triangle is ................... than the third side __

Answer»

Difference of any two sides of a triangle is ................... than the third side


__
50.

Find the remainder when x3−4x2+5x−1 is divided by 2x+1.

Answer»

Find the remainder when x34x2+5x1 is divided by 2x+1.