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.

∫1[(x−1)3(x+2)5]1/4dx is equal to

Answer» 1[(x1)3(x+2)5]1/4dx is equal to
2.

∫(log x)2 dx=

Answer» (log x)2 dx=
3.

In the following series, you will be looking at both the letter pattern and the number pattern. Complete the Series using appropriate option given below निम्नलिखित श्रृंखला में, आप अक्षर पैटर्न और संख्या पैटर्न दोनों देख रहे होंगे। नीचे दिए गए उचित विकल्प का उपयोग करके श्रृंखला को पूरा करें Q. SCD, TEF, UGH, ____, WKL

Answer»

In the following series, you will be looking at both the letter pattern and the number pattern. Complete the Series using appropriate option given below

निम्नलिखित श्रृंखला में, आप अक्षर पैटर्न और संख्या पैटर्न दोनों देख रहे होंगे। नीचे दिए गए उचित विकल्प का उपयोग करके श्रृंखला को पूरा करें

Q. SCD, TEF, UGH, ____, WKL


4.

A group of students decided to buy a Alarm Clock priced between Rs. 170 to Rs 195. But at the last moment, two students backed out of the decision so that the remaining students had to pay 1 Rupee more than they had planned. If the students paid equal shares, the price of the Alarm Clock is

Answer»

A group of students decided to buy a Alarm Clock priced between Rs. 170 to Rs 195. But at the last moment, two students backed out of the decision so that the remaining students had to pay 1 Rupee more than they had planned. If the students paid equal shares, the price of the Alarm Clock is


5.

Explain complex numbers concept in detail

Answer» Explain complex numbers concept in detail
6.

Calculate the area of the triangle determined by the two vectors →A=3^i+4^jand→B=−3^i+7^j

Answer»

Calculate the area of the triangle determined by the two vectors A=3^i+4^jandB=3^i+7^j


7.

If A and B are two independent events such that P(A∩B)=16 and P(¯¯¯¯A∩¯¯¯¯B)=13, then write the values of P(A) and P(B).

Answer»

If A and B are two independent events such that P(AB)=16 and P(¯¯¯¯A¯¯¯¯B)=13, then write the values of P(A) and P(B).

8.

Find the ratio in which the line 3x+4y+2=0 divides the distance between the lines 3x+4y+5=0 and 3x+4y−5=0.

Answer»

Find the ratio in which the line 3x+4y+2=0 divides the distance between the lines 3x+4y+5=0 and 3x+4y5=0.

9.

Find the area of the region {(x,y);y2≤4x,4x2+4y2≤9}.

Answer»

Find the area of the region {(x,y);y24x,4x2+4y29}.

10.

Find →a.(→b×→c),if →a=2^i+^j+3^k,→b=−^i+2^j+^k and →c=3^i+^j+2^k.

Answer» Find a.(b×c),if a=2^i+^j+3^k,b=^i+2^j+^k and c=3^i+^j+2^k.
11.

Let f:(1,3)→R be a function defined by f(x)=x[x]x2+1, where [x] denotes the greatest integer ≤x. Then the range of f is :

Answer»

Let f:(1,3)R be a function defined by f(x)=x[x]x2+1, where [x] denotes the greatest integer x. Then the range of f is :

12.

Write the eccentricity of the hyperbola whose latus-retum is half of its transverse axis.

Answer»

Write the eccentricity of the hyperbola whose latus-retum is half of its transverse axis.

13.

If the parabola y2=4ax passes through the point (3,2),then find the length of its latusrectum.

Answer»

If the parabola y2=4ax passes through the point (3,2),then find the length of its latusrectum.

14.

Give three examples of sentence which are not statements. Give reasons for the answers.

Answer»

Give three examples of sentence which are not statements. Give reasons for the answers.

15.

The direction ratios of normal to the plane through the points (0,−1,0) and (0,0,1) and making an angle π4 with the plane y−z+5=0 are :

Answer»

The direction ratios of normal to the plane through the points (0,1,0) and (0,0,1) and making an angle π4 with the plane yz+5=0 are :

16.

Let x2 - (m - 3) x + m = 0, m ∈ R be a quadratic equation. The values of m for which both roots lie in between 1 and 2 is given by

Answer»

Let x2 - (m - 3) x + m = 0, m ∈ R be a quadratic equation. The values of m for which both roots lie in between 1 and 2 is given by


17.

A = {1, 2, 3, 5} and B = {4, 6, 9}. Define a relation R from A to B by R = {(x, y) : the difference between x and y is odd, xϵA,yϵB}. Write R in Roster form.

Answer»

A = {1, 2, 3, 5} and B = {4, 6, 9}. Define a relation R from A to B by R = {(x, y) : the difference between x and y is odd, xϵA,yϵB}.

Write R in Roster form.

18.

If A = {1, 3, 5, 7, 9, 11, 13, 15, 17}, B ={2, 4, ......, 18} and N, the set of natural numbers is the universal set, then (A′∪[(A∪B)∩B′]) is

Answer»

If A = {1, 3, 5, 7, 9, 11, 13, 15, 17}, B ={2, 4, ......, 18} and N, the set of natural numbers is the universal set, then (A[(AB)B]) is


19.

The term independent of x in the expansion of (1+x)n(1+1x)n is :

Answer»

The term independent of x in the expansion of (1+x)n(1+1x)n is :


20.

∫dxx2−6x+13=

Answer»

dxx26x+13=


21.

If 3a=4,4b=5,5c=6,6d=7,7e=8 and 8f=9, then the value of the product (abcdef) is

Answer» If 3a=4,4b=5,5c=6,6d=7,7e=8 and 8f=9, then the value of the product (abcdef) is
22.

Let A be a non-empty set such that A×A has 16 elements among which three elements are found to be (a,b),(b,c) and (c,d) and IA be the identity relation on A, then

Answer»

Let A be a non-empty set such that A×A has 16 elements among which three elements are found to be (a,b),(b,c) and (c,d) and IA be the identity relation on A, then

23.

Find the equation of the straight line which passes through the point (1, 2) and makes such an angle with the positive direction of x-axis whose sine is 35.

Answer»

Find the equation of the straight line which passes through the point (1, 2) and makes such an angle with the positive direction of x-axis whose sine is 35.

24.

If cosycos(π2−x)−cos(π2−y)cosx+sinycos(π2−x)+cosxsin(π2−y)=0, then which of the following is correct

Answer»

If cosycos(π2x)cos(π2y)cosx+sinycos(π2x)+cosxsin(π2y)=0, then which of the following is correct

25.

Consider a LPP given by Min Z = 6x + 10y Subjected to x ≥ 6 ; y ≥ 2; 2x + y ≥ 10; x, y ≥ 0 Redundant constraints in this LPP are

Answer»

Consider a LPP given by
Min Z = 6x + 10y
Subjected to x ≥ 6 ; y ≥ 2;
2x + y ≥ 10; x, y ≥ 0
Redundant constraints in this LPP are


26.

Choose the correct statement:

Answer»

Choose the correct statement:


27.

Find the coordinates of the orthocentre of the triangle whose vertices are (−1,3), (2, −1) and (0, 0).

Answer»

Find the coordinates of the orthocentre of the triangle whose vertices are (1,3), (2, 1) and (0, 0).

28.

Consider the four sets A,B,C and D defined as A={a:a=8(log4(x))3+4log√2(x4), x>0} B={b:b=20+13(logx2)2, x>0} C={c∈N:c∈A∩B for same x>0} D={x∈Z:(x−2)2(15x2−56x+17)<0} Then the number of elements in C×D is

Answer» Consider the four sets A,B,C and D defined as
A={a:a=8(log4(x))3+4log2(x4), x>0}
B={b:b=20+13(logx2)2, x>0}
C={cN:cAB for same x>0}
D={xZ:(x2)2(15x256x+17)<0}

Then the number of elements in C×D is
29.

Let, A=⎡⎢⎣46−13021−25⎤⎥⎦, B=⎡⎢⎣2401−12⎤⎥⎦ and C=[123] The expression which is not defined is:

Answer»

Let,
A=461302125, B=240112
and C=[123]
The expression which is not defined is:

30.

Let z=√32−i2. Then the smallest positive integer n such that (z95+i67)94=zn is

Answer» Let z=32i2. Then the smallest positive integer n such that (z95+i67)94=zn is
31.

If a complex number z satisfies |2z+10+10i|&lt;5√3−5, then the least principal argument of z is

Answer»

If a complex number z satisfies |2z+10+10i|<535, then the least principal argument of z is

32.

If sin(A + b) = sinAcosB + cosAsinB, then value of sin75o is:

Answer»

If sin(A + b) = sinAcosB + cosAsinB, then value of sin75o is:


33.

When was India's first official census operation undertaken?

Answer»

When was India's first official census operation undertaken?

34.

Suppose three of the ten cities are to be developed as hubs. A hub is a city which is connected with every other city by direct flights each way, both in the morning as well as in the evening. The only direct flights which will be scheduled are originating and/or terminating in one of the hubs. Then the minimum number of direct flights that need to be scheduled so that the underlying principle of the airline to serve all the ten cities is met without visiting more than one hub during one trip is:

Answer»

Suppose three of the ten cities are to be developed as hubs. A hub is a city which is connected with every other city by direct flights each way, both in the morning as well as in the evening. The only direct flights which will be scheduled are originating and/or terminating in one of the hubs. Then the minimum number of direct flights that need to be scheduled so that the underlying principle of the airline to serve all the ten cities is met without visiting more than one hub during one trip is:


35.

If the tangent to the curve, y=x3+ax−b at the point (1,−5) is perpendicular to the line, −x+y+4=0, then which one of the following points lies on the curve?

Answer»

If the tangent to the curve, y=x3+axb at the point (1,5) is perpendicular to the line, x+y+4=0, then which one of the following points lies on the curve?

36.

If tan θ=√32, the sum of the infinite series 1 + 2 (1−cos θ)+3(1−cos θ)2+4(1−cos θ)3+....∞ is

Answer»

If tan θ=32, the sum of the infinite series 1 + 2 (1cos θ)+3(1cos θ)2+4(1cos θ)3+.... is

37.

On the set of real numbers which of the following definitions of * defined a binary operation ?

Answer»

On the set of real numbers which of the following definitions of * defined a binary operation ?


38.

Write the value of limx→0f(x)−f(x)x−c

Answer»

Write the value of limx0f(x)f(x)xc

39.

Calculate Net National Product at Factor Cost and Gross National Disposable Income from the following: (Rs in crores)(i) Net current transfers to10the rest of the world(ii) Savings of non-departmental60enterprises(iii) Net indirect tax90(iv) Income from property and enterpreneurship80 accruing to the government administrative departments(v) Consumption of fixed capital70(vi) Personal tax100(vii) Corporation tax40(viii) National debt interest30(ix) Current transfer payments by Government50(x) Retained earnings of private corporate sector10(xi) Personal disposable income1,100

Answer»

Calculate Net National Product at Factor Cost and Gross National Disposable Income from the following:

(Rs in crores)(i) Net current transfers to10the rest of the world(ii) Savings of non-departmental60enterprises(iii) Net indirect tax90(iv) Income from property and enterpreneurship80 accruing to the government administrative departments(v) Consumption of fixed capital70(vi) Personal tax100(vii) Corporation tax40(viii) National debt interest30(ix) Current transfer payments by Government50(x) Retained earnings of private corporate sector10(xi) Personal disposable income1,100

40.

The value of x, where x &gt; 0 and tan(sec−1(1x))=sin(tan−12) is

Answer»

The value of x, where x > 0 and tan(sec1(1x))=sin(tan12) is


41.

ABCD is a trapezium such that AB and CD are parallel and BC⊥CD. If ∠ADB=θ,BC=p and CD=q, then AB is equal to :

Answer» ABCD is a trapezium such that AB and CD are parallel and BCCD. If ADB=θ,BC=p and CD=q, then AB is equal to :
42.

If xy=ex−y then dydx is equal to

Answer»

If xy=exy then dydx is equal to

43.

Find the integral of the function x sin x

Answer» Find the integral of the function x sin x
44.

If cotθ−pqtanθ=p−q; p,q≠0, then the general value of θ is

Answer»

If cotθpqtanθ=pq; p,q0, then the general value of θ is

45.

How many three digit numbers can be formed by using the digits 0, 1, 3, 5, 7 while each digit may be repeated any number of times ?

Answer»

How many three digit numbers can be formed by using the digits 0, 1, 3, 5, 7 while each digit may be repeated any number of times ?

46.

2(1-2 sin2 7θ) sin 3θ is equal to

Answer»

2(1-2 sin2 7θ) sin 3θ is equal to


47.

The value of lies in the interval,

Answer»

The value of lies in the interval,


48.

∫ex cos (x) dx

Answer» ex cos (x) dx
49.

The derivative of tan−1(sinx−cosxsinx+cosx), with respect to x2, where (x∈(0,π2)) is:

Answer»

The derivative of tan1(sinxcosxsinx+cosx), with respect to x2, where (x(0,π2)) is:

50.

The dimensional formula of Power is M L2 T−4M L T−3M L3 T−3M L2 T−3

Answer» The dimensional formula of Power is
  1. M L2 T4
  2. M L T3
  3. M L3 T3
  4. M L2 T3