InterviewSolution
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.
| 2801. | 
                                    For the equation x2+bx+c=0, if 1+b+c=0 for all b,c∈R, then the roots are | 
                            
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                                   Answer»  For the equation x2+bx+c=0, if 1+b+c=0 for all b,c∈R, then the roots are  | 
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| 2802. | 
                                    Find the value of b, if one root of the equation x2 + ax + 2b = 0 is 2 + 4i, where a, b ∈ R | 
                            
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                                   Answer»  Find the value of b, if one root of the equation x2 + ax + 2b = 0 is 2 + 4i, where a, b ∈ R  | 
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| 2803. | 
                                    If f(x)=x2+2bx+2c2 and g(x)=−x2−2cx+b2 are such that the minimum value of f(x) always exceeds maximum value of g(x), then which of the following is/are correct? | 
                            
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                                   Answer»  If f(x)=x2+2bx+2c2 and g(x)=−x2−2cx+b2 are such that the minimum value of f(x) always exceeds maximum value of g(x), then which of the following is/are correct?  | 
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| 2804. | 
                                    The value of a for which x3+ax+1=0 and x4+ax2+1=0 have exactly one common root is | 
                            
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                                   Answer»  The value of a for which x3+ax+1=0 and x4+ax2+1=0 have exactly one common root is   | 
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| 2805. | 
                                    If α,β,γ,δ are the roots of equation 2x4+4x3−3x2+3x+1=0, then value of 12α−1+12β−1+12γ−1+12δ−1 is | 
                            
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                                   Answer»  If α,β,γ,δ are the roots of equation 2x4+4x3−3x2+3x+1=0, then value of 12α−1+12β−1+12γ−1+12δ−1 is   | 
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| 2806. | 
                                    Plot the graph of y=(x-3)2+7 | 
                            
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                                   Answer»  Plot the graph of y=(x-3)2+7  | 
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| 2807. | 
                                    The number of intergral values of a for which y=x2−ax+11x2−5x+4 can take all real values is | 
                            
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                                   Answer» The number of intergral values of a for which y=x2−ax+11x2−5x+4 can take all real values is  | 
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| 2808. | 
                                    If α,β,γ be the roots of the equation (x−a)(x−b)(x−c)=d,d≠0, then the roots of the equation (x−α)(x−β)(x−γ)+d=0 are | 
                            
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                                   Answer»  If α,β,γ be the roots of the equation (x−a)(x−b)(x−c)=d,d≠0, then the roots of the equation (x−α)(x−β)(x−γ)+d=0 are  | 
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| 2809. | 
                                    If a,b,c,d and p are distinct non-zero real numbers such that (a2+b2+c2)p2−2(ab+bc+dc)p+(b2+c2+d2)≤0, then ac is equal to | 
                            
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                                   Answer»  If a,b,c,d and p are distinct non-zero real numbers such that (a2+b2+c2)p2−2(ab+bc+dc)p+(b2+c2+d2)≤0, then ac is equal to  | 
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| 2810. | 
                                    For the equation |x|2+|x|−6=0,the sum of the real roots is | 
                            
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                                   Answer»  For the equation |x|2+|x|−6=0,the sum of the real roots is  | 
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| 2811. | 
                                    Let p, q, r be roots of cubic equation x3+2x2+3x+3=0, then | 
                            
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                                   Answer»  Let p, q, r be roots of cubic equation x3+2x2+3x+3=0, then  | 
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| 2812. | 
                                    The range of a for which x2−ax+1−2a2 is always positive for all real values of x, is | 
                            
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                                   Answer»  The range of a for which x2−ax+1−2a2 is always positive for all real values of x, is   | 
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| 2813. | 
                                    The number of integral values of k, for which (x2−x+1)(kx2−3kx−5)<0 is | 
                            
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                                   Answer» The number of integral values of k, for which (x2−x+1)(kx2−3kx−5)<0 is  | 
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| 2814. | 
                                    The number of all possible positive integral values of α for which the roots of the quadratic equation, 6x2−11x+α=0 are rational numbers is : | 
                            
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                                   Answer»  The number of all possible positive integral values of α for which the roots of the quadratic equation, 6x2−11x+α=0 are rational numbers is :  | 
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| 2815. | 
                                    If the zeroes of monic cubic polynomial are 3,5 and 6, then the cubic polynomial is | 
                            
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                                   Answer»  If the zeroes of monic cubic polynomial are 3,5 and 6, then the cubic polynomial is  | 
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| 2816. | 
                                    If x1, x2, x3⋯xn are roots of xn+ax+b=0, then the value of (x1−x2)(x1−x3)(x1−x4)⋯(x1−xn) = | 
                            
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                                   Answer»  If x1, x2, x3⋯xn are roots of xn+ax+b=0, then the value of (x1−x2)(x1−x3)(x1−x4)⋯(x1−xn) =  | 
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| 2817. | 
                                    The value(s) of k for which the quadratic equations (1−2k)x2−6kx−1=0 and kx2−x+1=0 have at least one root in common, is (are) | 
                            
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                                   Answer»  The value(s) of k for which the quadratic equations (1−2k)x2−6kx−1=0 and kx2−x+1=0 have at least one root in common, is (are)  | 
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| 2818. | 
                                    If x2−ax+b=0 and x2−px+q=0 have one root common and the second equation has equal roots, then b+q is equal to | 
                            
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                                   Answer»  If x2−ax+b=0 and x2−px+q=0 have one root common and the second equation has equal roots, then b+q is equal to  | 
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| 2819. | 
                                    The value of y=2+14+14+14+14+......∞ is | 
                            
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                                   Answer»  The value of y=2+14+14+14+14+......∞ is  | 
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| 2820. | 
                                    The number of integral value(s) of x satisfying the inequality √(x−3)(2−x)<√4x2+12x+11, is | 
                            
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                                   Answer» The number of integral value(s) of x satisfying the inequality √(x−3)(2−x)<√4x2+12x+11, is  | 
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| 2821. | 
                                    The least integral value of k for which (k−1)x2+8x+k+5 is always positive ∀ x∈R, is | 
                            
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                                   Answer» The least integral value of k for which (k−1)x2+8x+k+5 is always positive ∀ x∈R, is  | 
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| 2822. | 
                                    Let ax2+bx+6=0 does not have distinct real roots. If the least value of 3a+b is k, then the value of |k| is | 
                            
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                                   Answer» Let ax2+bx+6=0 does not have distinct real roots. If the least value of 3a+b is k, then the value of |k| is  | 
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| 2823. | 
                                    Let α,β be the roots of the equation x2−px+r=0 and α2,2β be the roots of the equation x2−qx+r=0. Then, the value of r is: | 
                            
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                                   Answer»  Let α,β be the roots of the equation x2−px+r=0 and α2,2β be the roots of the equation x2−qx+r=0. Then, the value of r is:  | 
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| 2824. | 
                                    If x2+ax+bc=0, x2+bx+ac=0, a≠b have one root in common, then their other roots satisfy the equation | 
                            
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                                   Answer»  If x2+ax+bc=0, x2+bx+ac=0, a≠b have one root in common, then their other roots satisfy the equation  | 
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| 2825. | 
                                    The minimum integral value of a for which x2−x1−ax attains all real values, is | 
                            
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                                   Answer» The minimum integral value of a for which x2−x1−ax attains all real values, is | 
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| 2826. | 
                                    Solve the following quadratics 13x2+7x+1=0 | 
                            
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                                   Answer»  Solve the following quadratics 13x2+7x+1=0  | 
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| 2827. | 
                                    If x2−2x+log12p=0 does not have two distinct real roots, then the maximum value of p is | 
                            
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                                   Answer»  If x2−2x+log12p=0 does not have two distinct real roots, then the maximum value of p is   | 
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| 2828. | 
                                    If p(x) is a polynomial of degree greater than 2 such that p(x) leaves remainder a and −a when divided by x+a and x−a respectively. If p(x) is divided by x2−a2 then remainder is | 
                            
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                                   Answer»  If p(x) is a polynomial of degree greater than 2 such that p(x) leaves remainder a and −a when divided by x+a and x−a respectively. If p(x) is divided by x2−a2 then remainder is  | 
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| 2829. | 
                                    Suppose a2=5a−8 and b2=5b−8. Then the equation whose roots are ab and ba is | 
                            
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                                   Answer»  Suppose a2=5a−8 and b2=5b−8. Then the equation whose roots are ab and ba is  | 
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| 2830. | 
                                    If the equations x2−kx−21=0 and x2−3kx+35=0 have a common root α<0, then the value of |k| is | 
                            
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                                   Answer» If the equations x2−kx−21=0 and x2−3kx+35=0 have a common root α<0, then the value of |k| is  | 
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| 2831. | 
                                    If α,β are the root of a quadratic equation x2−3x+5=0, then the equation whose roots are (α2−3α+7) and (β2−3β+7) is | 
                            
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                                   Answer»  If α,β are the root of a quadratic equation x2−3x+5=0, then the equation whose roots are (α2−3α+7) and (β2−3β+7) is   | 
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| 2832. | 
                                    If 1−p is a root of the equation x2+px+1−p=0, then the roots of the equation are | 
                            
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                                   Answer»  If 1−p is a root of the equation x2+px+1−p=0, then the roots of the equation are  | 
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| 2833. | 
                                    If α,β are the roots of the equation x2−4x+3=0, then the value of √α4+β4−1 is | 
                            
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                                   Answer» If α,β are the roots of the equation x2−4x+3=0, then the value of √α4+β4−1 is   | 
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| 2834. | 
                                    If k1,k2,k3 are real numbers and the equation k1x2+k2x+k3=0 have three roots, then value of k1+k2+k3 is | 
                            
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                                   Answer»  If k1,k2,k3 are real numbers and the equation k1x2+k2x+k3=0 have three roots, then value of k1+k2+k3 is  | 
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| 2835. | 
                                    The number of integral values of m such that the roots of x2−(m−3)x+m=0 lie in the interval (1,2), is | 
                            
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                                   Answer» The number of integral values of m such that the roots of x2−(m−3)x+m=0 lie in the interval (1,2), is  | 
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| 2836. | 
                                    The number of integral values of a for which 4t−(a−4)2t+9a4<0, ∀ t∈(1,2) is | 
                            
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                                   Answer» The number of integral values of a for which 4t−(a−4)2t+9a4<0, ∀ t∈(1,2) is  | 
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| 2837. | 
                                    The least positive value of a for which 4x−a⋅2x−a+3≤0 is satisfied by atleast one real value of x is | 
                            
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                                   Answer» The least positive value of a for which 4x−a⋅2x−a+3≤0 is satisfied by atleast one real value of x is  | 
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| 2838. | 
                                    If α,β are roots of 4x2−16x+c=0, c>0 such that 1<α<2<β<3, then the number of integral value of c is | 
                            
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                                   Answer» If α,β are roots of 4x2−16x+c=0, c>0 such that 1<α<2<β<3, then the number of integral value of c is | 
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| 2839. | 
                                    The number of the distinct zeroes of the polynomial f(x)=x(x−4)3(x−3)2(x−1) is | 
                            
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                                   Answer» The number of the distinct zeroes of the polynomial f(x)=x(x−4)3(x−3)2(x−1) is   | 
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| 2840. | 
                                    The least value of expression x2−4xy+5y2−2y+6, if x,y∈R is | 
                            
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                                   Answer» The least value of expression x2−4xy+5y2−2y+6, if x,y∈R is  | 
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| 2841. | 
                                    Let f(x)=x5+ax3+bx. The remainder when f(x) is divided by x+1 is −3. Then the remainder when f(x) is divided by x2−1, is | 
                            
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                                   Answer»  Let f(x)=x5+ax3+bx. The remainder when f(x) is divided by x+1 is −3. Then the remainder when f(x) is divided by x2−1, is   | 
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| 2842. | 
                                    Let p and q be real numbers such that p≠0,p3≠q and p3≠−q . If α and β are nonzero complex numbers satisfying α+β=−p and α3+β3=q , then a quadratic equation having αβ and βα as its roots is - | 
                            
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                                   Answer»  Let p and q be real numbers such that p≠0,p3≠q and  p3≠−q . If α and β are nonzero complex numbers satisfying α+β=−p and α3+β3=q , then a quadratic equation having αβ and βα as its roots is -  | 
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| 2843. | 
                                    The value of √2+√2+√2+……∞ is | 
                            
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                                   Answer» The value of √2+√2+√2+……∞ is  | 
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| 2844. | 
                                    Let α and β are two real roots of the equation (k+1)tan2x−√2λtanx=1−k, where k≠−1 and λ are real numbers. If tan2(α+β)=50, then the value of λ is | 
                            
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                                   Answer»  Let α and β are two real roots of the equation (k+1)tan2x−√2λtanx=1−k, where k≠−1 and λ are real numbers. If tan2(α+β)=50, then the value of λ is  | 
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| 2845. | 
                                    The number of real roots of the equation (x2+2x)2−(x+1)2−55=0 | 
                            
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                                   Answer»  The number of real roots of the equation (x2+2x)2−(x+1)2−55=0  | 
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| 2846. | 
                                    The complete set of values of a for which the inequality ax2−(3+2a)x+6>0,a≠0 holds good for exactly three integral values of x is | 
                            
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                                   Answer»  The complete set of values of a for which the inequality ax2−(3+2a)x+6>0,a≠0 holds good for exactly three integral values of x is  | 
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| 2847. | 
                                    The set of values of k for which the equation (k+2)x2−2kx−k=0 has two roots on the number line symmetrically placed about 1 is | 
                            
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                                   Answer»  The set of values of k for which the equation (k+2)x2−2kx−k=0 has two roots on the number line symmetrically placed about 1 is  | 
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| 2848. | 
                                    If the product of the roots of the quadratic equation mx2−2x+(2m−1)=0 is 3, then the value of m is | 
                            
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                                   Answer»  If the product of the roots of the quadratic equation mx2−2x+(2m−1)=0 is 3, then the value of m is  | 
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| 2849. | 
                                    The values of a for which the number 6 lies in between the roots of the equation x2+2(a−3)x+9=0, belong to | 
                            
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                                   Answer»  The values of a for which the number 6 lies in between the roots of the equation x2+2(a−3)x+9=0, belong to  | 
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| 2850. | 
                                    Solve the following quadratics 17x2−8x+1=0 | 
                            
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                                   Answer»  Solve the following quadratics 17x2−8x+1=0  | 
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