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QUIZ START
#1. Additive inverse of complex number (a+bi) is:
#2. If |A|=5 for a 2×2 matrix A, then |2A| is:
#3. The transpose of a diagonal matrix is a:
#4. Which of the following is an irrational number?
#5. If f:A->B and range of f=B then f is called:
#6. The degree of polynomial equation 3x^4 – 2x^2 + 7 = 0 is:
#7. If synthetic division is performed, the remainder obtained when P(x) is divided by (x-a) is:
#8. If roots of quadratic equation are equal, the value of b^2 – 4ac is:
#9. Harmonic Mean between 2 and 4 is:
#10. The sum of n terms of an A.P. is given by:
#11. If a, b, c are in G.P., then:
#12. If a, b, c are in A.P., then:
#13. The value of 7C0 is:
#14. Number of diagonals in a polygon of n sides is:
#15. Probability of impossible event is:
#16. Probability of a sure event is:
#20. 1 radian is equal to approximately:
#21. To convert degree into radian, we multiply by:
#22. Angle subtended at the center of circle of radius r by arc length l is θ =
#25. In triangle ABC, sum of internal angles (A+B+C) is:
#26. Derivative of cosec(x) is:
#27. Derivative of cot(x) is:
#28. d/dx(u*v) product rule is:
#29. If y=c (constant), then dy/dx is:
#33. Distance of point (x, y) from origin (0,0) is:
#34. Slope of horizontal line (parallel to x-axis) is:
#35. Slope of vertical line (parallel to y-axis) is:
#36. Equation of x-axis is:
#37. Equation of y-axis is:
#38. Magnitude of a unit vector is:
#39. i x i (cross product of unit vector i with itself) is:
#40. Vectors having same magnitude and direction are called:
#41. In an ellipse, eccentricity ‘e’ is always:
#42. In a hyperbola, eccentricity ‘e’ is always:
#43. Length of latus rectum of parabola y^2=4ax is:
#44. Centroid of a triangle divides each median in ratio:
#45. Limit of (sin x / x) as x approaches 0 is:
#46. Limit of (1 + 1/n)^n as n approaches infinity is:
#47. If matrix A is 3×3 and |A|=4, then |adj A| is:
#48. Number of subsets of a set with n elements is:
#49. The sum of angles in a triangle in radians is:
#50. The scalar product of two vectors is also known as:
