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.
| 2851. | 
                                    If α,βare the roots of the equation ax2+bx+c=0 then the equation whose roots are α+1β and β+1α, is | 
                            
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                                   Answer»  If α,βare the roots of the equation ax2+bx+c=0 then the equation whose roots are α+1β and β+1α, is  | 
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| 2852. | 
                                    If the expression (n−2)x2+8x+(n+4) is negative ∀x∈R, then n lies in | 
                            
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                                   Answer»  If the expression (n−2)x2+8x+(n+4) is negative ∀x∈R, then n lies in  | 
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| 2853. | 
                                    The range of f(x)=1−x2+4x+5,x∈R−{−1,5} is | 
                            
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                                   Answer»  The range of f(x)=1−x2+4x+5,x∈R−{−1,5} is  | 
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| 2854. | 
                                    If least value of f(x)=x2+bx+c be −14 and maximum value of g(x)=−x2+bx+2 occurs at 32, then c is equal to | 
                            
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                                   Answer» If least value of f(x)=x2+bx+c be −14 and maximum value of g(x)=−x2+bx+2 occurs at 32, then c is equal to  | 
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| 2855. | 
                                    The correct statement about the roots of the equation x2−4√2+8=0 | 
                            
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                                   Answer»  The correct statement about the roots of the equation x2−4√2+8=0  | 
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| 2856. | 
                                    The zeroes of the quadratic polynomial f(x)=x2+7x+10 are | 
                            
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                                   Answer»  The zeroes of the quadratic polynomial f(x)=x2+7x+10 are  | 
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| 2857. | 
                                    Let p,q be integers and α,β be the roots of the equation x2−2x+3=0 where α≠β. If an=pαn+qβn where n∈{0,1,2,.....}, then the value of a9 is | 
                            
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                                   Answer»  Let p,q be integers and α,β be the roots of the equation x2−2x+3=0 where α≠β.  | 
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| 2858. | 
                                    Let α,β be the values of m for which the equation (1+m)x2−2(1+3m)x+(1+8m) has equal roots. Find the equation whose roots are α+2 and β+2. | 
                            
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                                   Answer»  Let α,β be the values of m for which the equation (1+m)x2−2(1+3m)x+(1+8m) has equal roots. Find the equation whose roots are α+2 and β+2.  | 
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| 2859. | 
                                    The number of real roots of the equation, e4x+e3x−4e2x+ex+1=0 is : | 
                            
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                                   Answer»  The number of real roots of the equation, e4x+e3x−4e2x+ex+1=0 is :  | 
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| 2860. | 
                                    The value(s) of a for which the roots of 2x2+(a2−1)x+a2+3a+4=0 are reciprocal to each other is/are | 
                            
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                                   Answer»  The value(s) of a for which the roots of 2x2+(a2−1)x+a2+3a+4=0 are reciprocal to each other is/are  | 
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| 2861. | 
                                    Find the equation whose roots are the cubes of the roots of x3+3x2+2=0 | 
                            
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                                   Answer»  Find the equation whose roots are the cubes of the roots of x3+3x2+2=0  | 
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| 2862. | 
                                    The sum of values of x satisfying the equation √x1−x+√1−xx=136 is | 
                            
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                                   Answer»  The sum of values of x satisfying the equation √x1−x+√1−xx=136 is  | 
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| 2863. | 
                                    If equations x2−3x+4=0 and 4x2−2[3a+b]x+b=0 (a,b∈R) have a common root, then the complete set of values of a is (Here, [K] denotes the greatest integer less than or equal to K.) | 
                            
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                                   Answer»  If equations x2−3x+4=0 and 4x2−2[3a+b]x+b=0 (a,b∈R) have a common root, then the complete set of values of a is  | 
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| 2864. | 
                                    Let α, β be the roots of ax2+bx+c=0. The roots of a(x−2)2−b(x−2)(x−3)+c(x−3)2=0, where a≠0 are | 
                            
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                                   Answer»  Let α, β be the roots of ax2+bx+c=0. The roots of a(x−2)2−b(x−2)(x−3)+c(x−3)2=0, where a≠0 are  | 
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| 2865. | 
                                    If α,β are the roots of 2x2−2x+3=0 and α−1,β−1 are the roots of Ax2+Bx+C=0, then the value of (BA)2−4(CA) is | 
                            
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                                   Answer» If α,β are the roots of 2x2−2x+3=0 and α−1,β−1 are the roots of Ax2+Bx+C=0, then the value of (BA)2−4(CA) is  | 
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| 2866. | 
                                    If m is choosen in the quadratic equation (m2+1)x2−3x+(m2+1)2=0 such that the sum of its roots is greatest, then the absolute difference of the cubes of its roots is : | 
                            
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                                   Answer»  If m is choosen in the quadratic equation (m2+1)x2−3x+(m2+1)2=0 such that the sum of its roots is greatest, then the absolute difference of the cubes of its roots is :  | 
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| 2867. | 
                                    Consider the quadratic equation (c−5)x2−2cx+(c−4)=0. Let S be the set of all integral values of c for which one root of the equation lies in the interval (0,2) and another root lies in the interval (2,3). The number of elements in S is | 
                            
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                                   Answer»  Consider the quadratic equation (c−5)x2−2cx+(c−4)=0. Let S be the set of all integral values of c for which one root of the equation lies in the interval (0,2) and another root lies in the interval (2,3). The number of elements in S is  | 
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| 2868. | 
                                    If the three equations x2+ax+12=0, x2+bx+15=0, x2+(a+b)x+36=0 have a common possible root. Then, the sum of roots is | 
                            
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                                   Answer»  If the three equations x2+ax+12=0, x2+bx+15=0, x2+(a+b)x+36=0 have a common possible root. Then, the sum of roots is  | 
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| 2869. | 
                                    √5x2+x+√5=0 | 
                            
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                                   Answer»  √5x2+x+√5=0  | 
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| 2870. | 
                                    Let f(x)=(λ2+λ−2)x2+(λ+2)x be a quadratic polynomial. The sum of all integral values of λ for which f(x)<1 ∀ x∈R, is | 
                            
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                                   Answer»  Let f(x)=(λ2+λ−2)x2+(λ+2)x be a quadratic polynomial. The sum of all integral values of λ for which f(x)<1 ∀ x∈R, is  | 
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| 2871. | 
                                    If the difference of the roots of the equation (k−2)x2−(k−4)x−2=0,k≠2 is 3, then the sum of all the values of k is | 
                            
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                                   Answer»  If the difference of the roots of the equation (k−2)x2−(k−4)x−2=0,k≠2 is 3, then the sum of all the values of k is   | 
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| 2872. | 
                                    The zeroes of the polynomial f(x)=6x2−x−2 is/are | 
                            
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                                   Answer»  The zeroes of the polynomial f(x)=6x2−x−2 is/are   | 
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| 2873. | 
                                    Let α,β be the roots of x2−x−1=0 (α>β) and m,n∈Z,k∈W such that ak=mαk+nβk. If a4=35, then the value of 3m+2n is equal to | 
                            
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                                   Answer»  Let α,β be the roots of x2−x−1=0 (α>β) and m,n∈Z,k∈W such that ak=mαk+nβk. If a4=35, then the value of 3m+2n is equal to   | 
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