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. |
A non zero polynomial f(x) with real coefficients satisfy f(x) = f′(x)f′′(x) and f(0) = 96. If 'a' is the coefficient of highest degree term of f(x), then |
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Answer» A non zero polynomial f(x) with real coefficients satisfy f(x) = f′(x)f′′(x) and f(0) = 96. If 'a' is the coefficient of highest degree term of f(x), then |
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| 2. |
The equation of straight line passing through the points (a, b, c) and (a - b, b- c, c - a), is |
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Answer» The equation of straight line passing through the points (a, b, c) and (a - b, b- c, c - a), is |
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| 3. |
A rod of length l moves such that its ends A and B always lie on the lines 3x−y+5=0 and y+5=0 respectively. Then the locus of the point P which divides AB internally in the ratio of 2:1, is |
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Answer» A rod of length l moves such that its ends A and B always lie on the lines 3x−y+5=0 and y+5=0 respectively. Then the locus of the point P which divides AB internally in the ratio of 2:1, is |
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| 4. |
The simplified form of tan−1xy−tan−1x−yx+y is equal to |
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Answer» The simplified form of tan−1xy−tan−1x−yx+y is equal to |
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| 5. |
If X is Poisson variate with P(X=0)=P(X=1), then P(X=2)= |
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Answer» If X is Poisson variate with P(X=0)=P(X=1), then P(X=2)= |
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| 6. |
Let →a and →c be unit vectors and |→b|=4 with →a×→b=2→a×→c. The angle between →a and →c is cos−1(14). If →b−2→c=λ→a, then λ is equal to |
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Answer» Let →a and →c be unit vectors and |→b|=4 with →a×→b=2→a×→c. The angle between →a and →c is cos−1(14). If →b−2→c=λ→a, then λ is equal to |
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| 7. |
The order of the differential equation (d2ydx2)3=xy+(dydx)3 is ___ |
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Answer» The order of the differential equation (d2ydx2)3=xy+(dydx)3 is |
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| 8. |
The number of ways in which the letters of the word Article can be arranged so that even places are always occupied by consonants is |
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Answer» The number of ways in which the letters of the word Article can be arranged so that even places are always occupied by consonants is |
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| 9. |
Area enclosed by curve y3−9y+x=0 and Y - axis is - |
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Answer» Area enclosed by curve y3−9y+x=0 and Y - axis is - |
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| 10. |
The number of ordered pairs (x,y) of real numbers that satisfy the simultaneous equations x+y2=x2+y=12 is |
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Answer» The number of ordered pairs (x,y) of real numbers that satisfy the simultaneous equations x+y2=x2+y=12 is |
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| 11. |
The value of dydx if y=(x−1)2(x+2)3 is equal to |
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Answer» The value of dydx if y=(x−1)2(x+2)3 is equal to |
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| 12. |
If sin x+siny =12 and cosx+cosy = 1, then tan (x+y) = …….. |
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Answer» If sin x+siny =12 and cosx+cosy = 1, then tan (x+y) = …….. |
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| 13. |
If the length of the minor axis is half of the length of the major axis of an ellipse, then the value of 4e2, where e is the eccentricity of the ellipse, is |
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Answer» If the length of the minor axis is half of the length of the major axis of an ellipse, then the value of 4e2, where e is the eccentricity of the ellipse, is |
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| 14. |
If A = ⎡⎢⎣0263545710⎤⎥⎦, B = ⎡⎢⎣345231137⎤⎥⎦ then A + B = |
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Answer» If A = ⎡⎢⎣0263545710⎤⎥⎦, B = ⎡⎢⎣345231137⎤⎥⎦ then A + B = |
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| 15. |
Solve the differential equation dydx − 3y cotx = sin2x, y = 2 when x =π2 . |
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Answer» Solve the differential equation dydx − 3y cotx = sin2x, y = 2 when x =π2 . |
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| 16. |
There are 12 points in a plane. The number of the straight lines joining any two of them when 3 of them are collinear, is |
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Answer» There are 12 points in a plane. The number of the straight lines joining any two of them when 3 of them are collinear, is |
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| 17. |
5x2+3x4≥394 |
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Answer» 5x2+3x4≥394 |
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| 18. |
An integrating factor of the differential equation (1+y+x2y)dx+(x+x3)dy=0 is |
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Answer» An integrating factor of the differential equation (1+y+x2y)dx+(x+x3)dy=0 is |
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| 19. |
Which among the following relations defined on R is/are functions |
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Answer» Which among the following relations defined on R is/are functions |
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| 20. |
Which of the following options is/are true? [A∈(0∘,90∘)] |
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Answer» Which of the following options is/are true? |
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| 21. |
Solve x−3x+1<0,xϵR |
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Answer» Solve x−3x+1<0,xϵR |
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| 22. |
Maximum value of the expression √cos2x−10cosx+25+3 is |
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Answer» Maximum value of the expression √cos2x−10cosx+25+3 is |
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| 23. |
The area of the figure bounded by the parabola x=−2y2,x=1−3y2 is |
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Answer» The area of the figure bounded by the parabola x=−2y2,x=1−3y2 is |
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| 24. |
The possible integral values of k for which the equation |z+i|−|z−i|=k,k>0 represents a hyperbola is |
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Answer» The possible integral values of k for which the equation |z+i|−|z−i|=k,k>0 represents a hyperbola is |
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| 25. |
The equation of the plane containing the straight line x−12=y+2−3=z5 and perpendicular to the plane x−y+z+2=0 is |
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Answer» The equation of the plane containing the straight line x−12=y+2−3=z5 and perpendicular to the plane x−y+z+2=0 is |
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| 26. |
If 6 digit number is made using all the digits 1,2,4,5,7,8, then the position of number ′′541782′′ when all numbers formed are arranged in descending order is |
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Answer» If 6 digit number is made using all the digits 1,2,4,5,7,8, then the position of number ′′541782′′ when all numbers formed are arranged in descending order is |
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| 27. |
In figure, AB is a chord of the circle and AOC is its diameter such that ∠ACB=50∘. If AT is the tangent to the circle at the point A, then ∠BAT is equal to: |
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Answer» In figure, AB is a chord of the circle and AOC is its diameter such that ∠ACB=50∘. If AT is the tangent to the circle at the point A, then ∠BAT is equal to: |
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| 28. |
If (x1,y1) and (x2,y2) are the extremeties of the focal chord of parabola y2=16ax, then the value of 16x1x2+y1y2 is |
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Answer» If (x1,y1) and (x2,y2) are the extremeties of the focal chord of parabola y2=16ax, then the value of 16x1x2+y1y2 is |
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| 29. |
The probability function of a binomial distribution is P(x)=6Cx pxq6−x, x=0,1,2,...,6. If 2P(2)=3P(3), then p=____ |
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Answer» The probability function of a binomial distribution is P(x)=6Cx pxq6−x, x=0,1,2,...,6. If 2P(2)=3P(3), then p=____ |
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| 30. |
If α and β satisfies the equations 5sin2β=3sin2α and 3tanα=tanβ simultaneously, where 0<α<π, 0<β<π, α,β≠π2, then the possible value(s) of tanα+tanβ is/are |
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Answer» If α and β satisfies the equations 5sin2β=3sin2α and 3tanα=tanβ simultaneously, where 0<α<π, 0<β<π, α,β≠π2, then the possible value(s) of tanα+tanβ is/are |
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| 31. |
ColumnIColumnII(Vascular bundles)(Organs)1.Closed collateral, endarchpDicot root2.Open collateral, endarchqMonocot root3.Radial, tetrarch, exarchrDicot stem4.Radial, polyarch, exarchsMonocot stemtDicot leaf |
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Answer» ColumnIColumnII(Vascular bundles)(Organs)1.Closed collateral, endarchpDicot root2.Open collateral, endarchqMonocot root3.Radial, tetrarch, exarchrDicot stem4.Radial, polyarch, exarchsMonocot stemtDicot leaf |
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| 32. |
What is the imaginary part of an expression. |
| Answer» What is the imaginary part of an expression. | |
| 33. |
From the following information of Lions' Club, Show the sports material items in the Income and Expenditure Account for the year ending 31-03-2018. 2017(Rs)2018(Rs)Sports Material22,00058,000Creditors for Sports Material78,00092,000Advance to Suppliers for Sports Material15,00025,000Payment to suppliers for the sports material during the year war Rs. 1,20,000. |
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Answer» From the following information of Lions' Club, Show the sports material items in the Income and Expenditure Account for the year ending 31-03-2018. 2017(Rs)2018(Rs)Sports Material22,00058,000Creditors for Sports Material78,00092,000Advance to Suppliers for Sports Material15,00025,000Payment to suppliers for the sports material during the year war Rs. 1,20,000. |
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| 34. |
Sum of all integral values of x satisfying the inequality 352log3(12−3x)−3log2x>32 is |
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Answer» Sum of all integral values of x satisfying the inequality 352log3(12−3x)−3log2x>32 is |
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| 35. |
Each side of given cube has resistance of 1 Ω, then equivalent resistance of cube between corner A and B in Ω is (Answer upto two decimal places) |
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Answer» Each side of given cube has resistance of 1 Ω, then equivalent resistance of cube between corner A and B in Ω is (Answer upto two decimal places)
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| 36. |
If the equation x2+y2=2x is written in polar coordinate system, then r can be |
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Answer» If the equation x2+y2=2x is written in polar coordinate system, then r can be |
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| 37. |
Let origin and the non- real roots of 2z2+2z+λ=0 form the three vertices of an equilateral triangle in the Argand plane then 3λ= |
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Answer» Let origin and the non- real roots of 2z2+2z+λ=0 form the three vertices of an equilateral triangle in the Argand plane then 3λ= |
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| 38. |
Write the range of the funciton f(x)=sin[x], where −π4≤x≤π4. |
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Answer» Write the range of the funciton f(x)=sin[x], where −π4≤x≤π4. |
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| 39. |
If →a=2^i+λ^j+^k and →b=^i+2^j+3^k are orthogonal, then value of λ is |
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Answer» If →a=2^i+λ^j+^k and →b=^i+2^j+3^k are orthogonal, then value of λ is |
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| 40. |
Find the equation of the hyperbola with centre at the origin, length of the transverse axis 6 and one focus at (0, 4). |
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Answer» Find the equation of the hyperbola with centre at the origin, length of the transverse axis 6 and one focus at (0, 4). |
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| 41. |
Choose the correct answer in the following question: If A,B are symmetric matrices of same order, then AB-BA is a (a)skew-symmetric matrix (b)symmetric matrix (c)zero matrix (d)identity matrix |
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Answer» Choose the correct answer in the following question: |
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| 42. |
Choose the correct answer in the following question: If A=[cosα−sinαsinαcosα], then A+A'=I, if the value of α is (a)π6(b)π3(c)π(d)3π2 |
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Answer» Choose the correct answer in the following question: If A=[cosα−sinαsinαcosα], then A+A'=I, if the value of α is |
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| 43. |
Find the integrals of the functions. ∫sin3(2x+1)dx |
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Answer» Find the integrals of the functions. |
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| 44. |
Volume of parallelopiped formed by vectors →a×→b, →b×→c and →c×→a is 36 cubic units. Based on the given information above match the following by appropriately matching the lists given in Column I and Column II. Column 1Column 2a. Volume of parallelopiped formed by vectors p. 0 cubic units →a, →b and →c is b. Volume of tetrahedron formed by vectors q. 12 cubic units→a, →b and →c is c. Volume of parallelopiped formed by vectors r. 6 cubic units →a+→b,→b+→c and →c+→a is d. Volume of parallelopiped formed by vectors s. 1 cubic unit →a−→b,→b−→c and →c−→a is |
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Answer» Volume of parallelopiped formed by vectors →a×→b, →b×→c and →c×→a is 36 cubic units. Based on the given information above match the following by appropriately matching the lists given in Column I and Column II. |
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| 45. |
Prove √5 is irrational |
| Answer» Prove √5 is irrational | |
| 46. |
Find the equation of the hyperbola whose vertices are (±7, 0) and the eccentricity is 43. |
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Answer» Find the equation of the hyperbola whose vertices are (±7, 0) and the eccentricity is 43. |
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| 47. |
Find the real solution of tan−1√x(x+1)+sin−1√x2+x+1=x2. |
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Answer» Find the real solution of tan−1√x(x+1)+sin−1√x2+x+1=x2. |
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| 48. |
A homogeneous equation of the form dydx=h(xy) can be solved making the substitution (a) y=vx (b) v=yx (c) x=vy (d) x=v |
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Answer» A homogeneous equation of the form dydx=h(xy) can be solved making the substitution |
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| 49. |
Find the number of solutions for 4 { x } = x + [x], where { . }, [.] represents fractional part and greatest integer function. ___ |
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Answer» Find the number of solutions for 4 { x } = x + [x], where { . }, [.] represents fractional part and greatest integer function. |
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| 50. |
Find the number of integers in the domain of √5−x2 |
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Answer» Find the number of integers in the domain of √5−x2 |
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