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.
| 7801. |
30 members of a club decided to play a badminton singles tournament .Every time a member loses a game ,he is out of the tournament.What is the minimum number and maximum number of matches to be played to decide the winner ? |
| Answer» 30 members of a club decided to play a badminton singles tournament .Every time a member loses a game ,he is out of the tournament.What is the minimum number and maximum number of matches to be played to decide the winner ? | |
| 7802. |
Let n≥2 be a natural number and 0<θ<π2.Then ∫(sinnθ−sinθ)1ncosθsinn+1θdθ is equal to : (where C is constant of integration) |
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Answer» Let n≥2 be a natural number and 0<θ<π2. |
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| 7803. |
∫x−sin x1+cos xdx=x tan(x2)+p log∣∣sec(x2)∣∣+c⇒p= |
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Answer» ∫x−sin x1+cos xdx=x tan(x2)+p log∣∣sec(x2)∣∣+c⇒p= |
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| 7804. |
If f(x ^ 2) = 4x ^ 6 + 3x ^ 4 , then f(5) is equal to |
| Answer» If f(x ^ 2) = 4x ^ 6 + 3x ^ 4 , then f(5) is equal to | |
| 7805. |
If I=x∫0[cost]dt, where x∈[(4n+1)π2,(4n+3)π2],n∈N and [⋅] represents greatest integer function, then the value of I is |
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Answer» If I=x∫0[cost]dt, where x∈[(4n+1)π2,(4n+3)π2],n∈N and [⋅] represents greatest integer function, then the value of I is |
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| 7806. |
If f(x)=(x+1)(x4+x3+2)(x3+4x2+2x+3), then dydx∣∣∣x=−1 is |
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Answer» If f(x)=(x+1)(x4+x3+2)(x3+4x2+2x+3), then dydx∣∣∣x=−1 is |
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| 7807. |
Type of terms and corresponding number is written in Column 2 and Column 3 respectively of the Binomial in Column 1. Column I Column II Column 3(I)(516+719)1824(i)Total number of rational terms(P)4(II)(516+218)100(ii)Total number of irrational terms(Q)102(III)(314+413)99(iii)12[Total number of termsNumber of rational terms],(R)224 where [.]represents greatest integer function. (IV)(713+1119)2007(iv)Total number of terms(S)Is divisible by 13 Select the correct combination |
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Answer» Type of terms and corresponding number is written in Column 2 and Column 3 respectively of the Binomial in Column 1. Column I Column II Column 3(I)(516+719)1824(i)Total number of rational terms(P)4(II)(516+218)100(ii)Total number of irrational terms(Q)102(III)(314+413)99(iii)12[Total number of termsNumber of rational terms],(R)224 where [.]represents greatest integer function. (IV)(713+1119)2007(iv)Total number of terms(S)Is divisible by 13 Select the correct combination |
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| 7808. |
The product of slope of tangents from point (0,1) to the circle x2+y2−2x+4y=0 is |
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Answer» The product of slope of tangents from point (0,1) to the circle x2+y2−2x+4y=0 is |
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| 7809. |
If |z1|=1,|z2|=2,|z3|=3 and |z1+2z2+3z3|=6, then the value of 16|z2z3+8z1z3+27z1z2| is equal to |
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Answer» If |z1|=1,|z2|=2,|z3|=3 and |z1+2z2+3z3|=6, then the value of 16|z2z3+8z1z3+27z1z2| is equal to |
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| 7810. |
The point of intersection of the tangents of the circle x2+y2=10, drawn at end points of the chord x + y = 2 is |
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Answer» The point of intersection of the tangents of the circle x2+y2=10, drawn at end points of the chord x + y = 2 is |
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| 7811. |
If [t] denotes the greatest integer ≤t, then the value of π/8∫0[secx+2[tanx+3[cosx+4[sinx]]]]dx is |
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Answer» If [t] denotes the greatest integer ≤t, then the value of π/8∫0[secx+2[tanx+3[cosx+4[sinx]]]]dx is |
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| 7812. |
The locus of a point which divides the join of A(-1, 1) and a variable point P on the circle x2+y2=4 in the ratio 3:2, is |
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Answer» The locus of a point which divides the join of A(-1, 1) and a variable point P on the circle x2+y2=4 in the ratio 3:2, is |
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| 7813. |
Find the coordinates of the point where the line through (3, -4, -5) and (2, -3, 1) crosses the planes 2x + y + z = 7 |
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Answer» Find the coordinates of the point where the line through (3, -4, -5) and (2, -3, 1) crosses the planes 2x + y + z = 7 |
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| 7814. |
Area bounded by the curve y=1 and y=sinx+cosx+|sinx−cosx|2 in x∈[0,π] is aπ−√b−c, (where a,b,c are integers) then a+b+c is |
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Answer» Area bounded by the curve y=1 and y=sinx+cosx+|sinx−cosx|2 in x∈[0,π] is aπ−√b−c, (where a,b,c are integers) then a+b+c is |
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| 7815. |
The equation of the parabola whose focus is (4,−3) and vertex is (4,−1) |
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Answer» The equation of the parabola whose focus is (4,−3) and vertex is (4,−1) |
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| 7816. |
Using integration find the area of the region bounded by the curves y=4-x2, x2+y2-4x=0 and the x-axis. |
| Answer» Using integration find the area of the region bounded by the curves and the x-axis. | |
| 7817. |
The area of the smaller region lying above the x-axis and included between the circle x2 + y2 = 2x and the parabola y2 = x. |
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Answer» The area of the smaller region lying above the x-axis and included between the circle x2 + y2 = 2x and the parabola y2 = x. |
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| 7818. |
A steel beam of breadth 120 mm and height 750 mm is loaded as shown in the figure. Assume Esteel=200 Gpa.The beam is subjected to a maximum bending moment of |
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Answer» A steel beam of breadth 120 mm and height 750 mm is loaded as shown in the figure. Assume Esteel=200 Gpa. |
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| 7819. |
If one of the diameters of the curve x2+y2−4x−6y+9=0 is a chord of a circle with centre (1,1), the radius of this circle is |
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Answer» If one of the diameters of the curve x2+y2−4x−6y+9=0 is a chord of a circle with centre (1,1), the radius of this circle is |
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| 7820. |
a²x-b²y=a²-2b²b²x+a²y=b²+2a² |
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Answer» a²x-b²y=a²-2b² b²x+a²y=b²+2a² |
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| 7821. |
If P(A)=611,P(B)=511 and P(A∪B)=711, then the value of P(A/B) is: |
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Answer» If P(A)=611,P(B)=511 and P(A∪B)=711, then the value of P(A/B) is: |
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| 7822. |
If sin x=35, tan y=12 and π2<x<π<y<3π2, find the value of 8 tan x-5 sec y. |
| Answer» If sin find the value of 8 tan . | |
| 7823. |
f(x) = x is called |
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Answer» f(x) = x is called |
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| 7824. |
Find the minimum distance between } the curves }y^2=4x and }x^2+y^2-12x+31=0 . } solve it by parametric form of equation of normal of a parabola |
| Answer» Find the minimum distance between } the curves }y^2=4x and }x^2+y^2-12x+31=0 . } solve it by parametric form of equation of normal of a parabola | |
| 7825. |
three digit numbers are formed such that the sum of the numbers is also a three digit number and in no place addition is going on if the number of such numbers is of the form 36lambda^2.then find the value of lambda |
| Answer» three digit numbers are formed such that the sum of the numbers is also a three digit number and in no place addition is going on if the number of such numbers is of the form 36lambda^2.then find the value of lambda | |
| 7826. |
In the following table, a ratio is given in each column. Find the remaining two ratios in the column and complete the table. sin θ 1161 12 35 cos θ 3537 13 tan θ 1 2120 815 122 |
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Answer» In the following table, a ratio is given in each column. Find the remaining two ratios in the column and complete the table.
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| 7827. |
2 dy + y tan x cos x |
| Answer» 2 dy + y tan x cos x | |
| 7828. |
Interval of alpha for which (alpha,alpha^2) and (0,0) lies on same side of 3x+y-10=0 is |
| Answer» Interval of alpha for which (alpha,alpha^2) and (0,0) lies on same side of 3x+y-10=0 is | |
| 7829. |
If x+(1/x)=7, then what will be the value of x^3+(1/x^3)? |
| Answer» If x+(1/x)=7, then what will be the value of x^3+(1/x^3)? | |
| 7830. |
Explain: Shifting of origin, coordinates of the point dividing a line segment externally |
| Answer» Explain: Shifting of origin, coordinates of the point dividing a line segment externally | |
| 7831. |
If an integer p is chosen at random in the interval 0≤p≤5, the probability that the roots of the equation x2+px+p4+12=0 are real is: |
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Answer» If an integer p is chosen at random in the interval 0≤p≤5, the probability that the roots of the equation x2+px+p4+12=0 are real is: |
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| 7832. |
Suppose f and g are differentiable functions on (0,∞) such that f'(x)=−g(x)x and g'(x)=−f(x)x, for all x>0. Further, f(1)=3 and g(1)=−1.g(110) is equal to |
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Answer» Suppose f and g are differentiable functions on (0,∞) such that f'(x)=−g(x)x and g'(x)=−f(x)x, for all x>0. Further, f(1)=3 and g(1)=−1. |
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| 7833. |
(a,b) is the mid point of the chord ¯AB of the circle x2+y2=r2. The tangent at A,B meet a C. then area of ΔABC |
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Answer» (a,b) is the mid point of the chord ¯AB of the circle x2+y2=r2. The tangent at A,B meet a C. then area of ΔABC |
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| 7834. |
If the equation of the plane passing through the line of intersection of the planes 2x−7y+4z−3=0,3x−5y+4z+11=0 and the point (−2,1,3) is ax+by+cz−7=0, then the value of 2a+b+c−7 is |
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Answer» If the equation of the plane passing through the line of intersection of the planes 2x−7y+4z−3=0,3x−5y+4z+11=0 and the point (−2,1,3) is ax+by+cz−7=0, then the value of 2a+b+c−7 is |
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| 7835. |
Find the equation of straight line that passes through the point (1, 2) and perpendicular to the line 4x + 5y + 3 = 0. |
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Answer» Find the equation of straight line that passes through the point (1, 2) and perpendicular to the line 4x + 5y + 3 = 0. |
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| 7836. |
The number of all possible matrices of order 3 × 3 with each entry 0 or 1 is: (A) 27 (B) 18 (C) 81 (D) 512 |
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Answer» The
(A) 27 (B) 18 (C) 81 (D) 512 |
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| 7837. |
Prove that: tan−1[√1+x−√1−x√1+x+√1−x]=π4−12cos−1x,−1√2≤x≤1 |
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Answer» Prove that: tan−1[√1+x−√1−x√1+x+√1−x]=π4−12cos−1x,−1√2≤x≤1 |
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| 7838. |
If log2x+log2y≥6, then the least value of xy is |
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Answer» If log2x+log2y≥6, then the least value of xy is |
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| 7839. |
Find the values of k for which the roots are real and equal in each of the following equations:(i) kx2+4x+1=0(ii) kx2-25x+4=0(iii) 3x2-5x+2k=0(iv) 4x2+kx+9=0(v) 2kx2-40x+25=0(vi) 9x2-24x+k=0(vii) 4x2-3kx+1=0(viii) x2-25+2kx+37+10k=0(ix) 3k+1x2+2k+1x+k=0(x) kx2+kx+1=-4x2-x(xi) k+1x2+2k+3x+k+8=0(xii) x2-2kx+7k-12=0(xiii) k+1x2-23k+1x+8k+1=0(xiv) 2k+1x2+2k+3x+k+5=0(xvii) 4x2-2k+1x+k+4=0(xviii) 4x2-2k+1x+k+1=0 |
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Answer» Find the values of k for which the roots are real and equal in each of the following equations: (i) (ii) (iii) (iv) (v) (vi) (vii) (viii) (ix) (x) (xi) (xii) (xiii) (xiv) (xvii) (xviii) |
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| 7840. |
Find the equation for the ellipse that satisfies the given conditions: Vertices (0, ±13), foci (0, ±5) |
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Answer» Find the equation for the ellipse that satisfies the given conditions: Vertices (0, ±13), foci (0, ±5) |
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| 7841. |
If f:R→R and g:R→R are given by f(x) = |x| and g(x) = [x], then g(f(x))≤f(g(x) is true for - |
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Answer» If f:R→R and g:R→R are given by f(x) = |x| and g(x) = [x], then g(f(x))≤f(g(x) is true for - |
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| 7842. |
limx→0ax−a−xx |
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Answer» limx→0ax−a−xx |
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| 7843. |
If D E F are the midpoints of the triangle ABC are (x1,y1) ( x2,y2) and (x3,y3) then find the coordinates of its vertices. |
| Answer» If D E F are the midpoints of the triangle ABC are (x1,y1) ( x2,y2) and (x3,y3) then find the coordinates of its vertices. | |
| 7844. |
If α and β (α>β) are the roots of the equation x2−√2x+√3−2√2=0, then the value of (cos−1α+tan−1α+tan−1β) is equal to |
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Answer» If α and β (α>β) are the roots of the equation x2−√2x+√3−2√2=0, then the value of (cos−1α+tan−1α+tan−1β) is equal to |
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| 7845. |
If y=y(x), y∈[0,π2) is the solution of the differential equation secydydx−sin(x+y)−sin(x−y)=0 with y(0)=0, then 5y′(π2) is equal to |
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Answer» If y=y(x), y∈[0,π2) is the solution of the differential equation secydydx−sin(x+y)−sin(x−y)=0 with y(0)=0, then 5y′(π2) is equal to |
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| 7846. |
If A is an invertible matrix of order 3 and A = 3, then adj A = ___________________. |
| Answer» If A is an invertible matrix of order 3 and = ___________________. | |
| 7847. |
If 3+14(3+P)+142(3+2P)+143(3+3P)+…=8, then the value of P is |
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Answer» If 3+14(3+P)+142(3+2P)+143(3+3P)+…=8, then the value of P is |
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| 7848. |
limx→1 logexx-1 is equal to __________________. |
| Answer» is equal to __________________. | |
| 7849. |
What is the probability of not getting purple in the spinner? |
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Answer» What is the probability of not getting purple in the spinner? |
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| 7850. |
Which of the following functions is decreasing in 0,π2?(a) sin 2x (b) tan x (c) cos x (d) cos 3x |
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Answer» Which of the following functions is decreasing in ? (a) sin 2x (b) tan x (c) cos x (d) cos 3x |
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