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. |
The number of irrational terms in the expansion of (8√5+6√2)100 is |
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Answer» The number of irrational terms in the expansion of (8√5+6√2)100 is |
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| 2. |
Diameter of the circle given by |(z−α)/(z−β)|=k,k≠1 , where α,β are fixed points and z is varying point in argand plane is |
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Answer» Diameter of the circle given by |(z−α)/(z−β)|=k,k≠1 , where α,β are fixed points and z is varying point in argand plane is |
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| 3. |
By giving a counter example, show that the following statements are not true. (i) p : If all the angles of a triangle are equal, then the triangle is an obtuse angled triangle. (ii) q : The equation x 2 – 1 = 0 does not have a root lying between 0 and 2. |
| Answer» By giving a counter example, show that the following statements are not true. (i) p : If all the angles of a triangle are equal, then the triangle is an obtuse angled triangle. (ii) q : The equation x 2 – 1 = 0 does not have a root lying between 0 and 2. | |
| 4. |
If∑_{k=4}^{143} 1/\sqrt k + \sqrt{k+1} =a-\sqrt b then a and b equal to what. |
| Answer» If∑_{k=4}^{143} 1/\sqrt k + \sqrt{k+1} =a-\sqrt b then a and b equal to what. | |
| 5. |
nC0n+nC1n+1+nC2n+2+……+nCn2n= |
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Answer» nC0n+nC1n+1+nC2n+2+……+nCn2n= |
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| 6. |
Let A = {1, 2, 3} and R={(a,b):|a2−b2|≤5,a,bϵA}. Then write R as set of ordered pairs. |
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Answer» Let A = {1, 2, 3} and R={(a,b):|a2−b2|≤5,a,bϵA}. Then write R as set of ordered pairs. |
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| 7. |
What will be the next number in the following sequence? 10, 100, 1000, 10000, _______ |
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Answer» What will be the next number in the following sequence? 10, 100, 1000, 10000, _______ |
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| 8. |
If the length of latusrectum of an Ellipse is equal to semi minor axis then Its eccentricity is |
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Answer» If the length of latusrectum of an Ellipse is equal to semi minor axis then Its eccentricity is |
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| 9. |
33. What is period of |sin x + cos x| |
| Answer» 33. What is period of |sin x + cos x| | |
| 10. |
The image of the point (3,−1,11) w.r.t the line x2=y−23=z−34 is: |
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Answer» The image of the point (3,−1,11) w.r.t the line x2=y−23=z−34 is: |
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| 11. |
If (√3+i)100=299(p+iq), then p and q are roots of the equation |
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Answer» If (√3+i)100=299(p+iq), then p and q are roots of the equation |
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| 12. |
The first and last term of an ap are 1 and 11 if the sum of its terms is 36 then a = ______,d=_____,n=_____&an=_________ |
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Answer» The first and last term of an ap are 1 and 11 if the sum of its terms is 36 then a = ______,d=_____,n=_____&an=_________ |
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| 13. |
If y=sin(logsinx), then dydx= |
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Answer» If y=sin(logsinx), then dydx= |
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| 14. |
If for real values of x, cosθ=x+1x, then(a) θ is an acute angle(b) θ is a right angle(c) θ is an obtuse angle(d) No value of θ is possible |
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Answer» If for real values of then (a) θ is an acute angle (b) θ is a right angle (c) θ is an obtuse angle (d) No value of θ is possible |
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| 15. |
1+ 1 |
| Answer» 1+ 1 | |
| 16. |
For every positive integral value of n, 3n > n3 when |
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Answer» For every positive integral value of n, 3n > n3 when |
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| 17. |
If n (A) = 15, n (A∪B ) = 29, n (A ∩ B) = 7 then n (B) = ? |
| Answer» If n (A) = 15, n (AB ) = 29, n (A B) = 7 then n (B) = ? | |
| 18. |
What is the sum of the first n positive integers? [1 MARK] |
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Answer» What is the sum of the first n positive integers? [1 MARK] |
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| 19. |
If ∫sec2x−2010sin2010x dx=P(x)(sin x)2010+C |
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Answer» If ∫sec2x−2010sin2010x dx=P(x)(sin x)2010+C |
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| 20. |
Why constants like gravitational constant are not dimensionless but constants like 2,3 are dimensionless |
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Answer» Why constants like gravitational constant are not dimensionless but constants like 2,3 are dimensionless |
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| 21. |
The equations of the latus rectum and the tangent at the vertex of a parabola are x + y = 8 and x + y = 12 respectively. The length of the latus retum is __________. |
| Answer» The equations of the latus rectum and the tangent at the vertex of a parabola are x + y = 8 and x + y = 12 respectively. The length of the latus retum is __________. | |
| 22. |
If 4+under root 3 is a root of ax²+cx+b=0 and 5+under root 6 is root of x²-dx+e=0,then the value of b+c/ade is? |
| Answer» If 4+under root 3 is a root of ax²+cx+b=0 and 5+under root 6 is root of x²-dx+e=0,then the value of b+c/ade is? | |
| 23. |
The value of I=∫30([x]+[x+13]+[x+23])dx, where [⋅] denotes the greatest integer function, is equal to |
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Answer» The value of I=∫30([x]+[x+13]+[x+23])dx, where [⋅] denotes the greatest integer function, is equal to |
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| 24. |
The number of different ways in which a committee of 4 members formed out of 6 Asians, 3 Europeans and 4 Americans if the committee is to have at least one member from each of the regional groups, is |
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Answer» The number of different ways in which a committee of 4 members formed out of 6 Asians, 3 Europeans and 4 Americans if the committee is to have at least one member from each of the regional groups, is |
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| 25. |
If z1 and z2 are two complex numbers such that z1 + z2 is a real number, then z2 = ____________. |
| Answer» If z1 and z2 are two complex numbers such that z1 + z2 is a real number, then z2 = ____________. | |
| 26. |
Aju was standing at the corner of a square field. He started walking towards North-East direction. When he was 10√2 m away from where he started, he took a left turn and started walking again. Considering the square field as the coordinate plane and starting point as the origin, find the equation of Aju’s current path. |
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Answer» Aju was standing at the corner of a square field. He started walking towards North-East direction. When he was 10√2 m away from where he started, he took a left turn and started walking again. Considering the square field as the coordinate plane and starting point as the origin, find the equation of Aju’s current path. |
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| 27. |
24 Consider the set A={3,4,5} and the numbers of null relations, identity relations, universal relations, reflexive relations on A are respectively a, b, c, d then the value of a+b+c+d is? |
| Answer» 24 Consider the set A={3,4,5} and the numbers of null relations, identity relations, universal relations, reflexive relations on A are respectively a, b, c, d then the value of a+b+c+d is? | |
| 28. |
Intrigate (x cos inverse x dx ) |
| Answer» Intrigate (x cos inverse x dx ) | |
| 29. |
Let F(x)=f(x)+f(1x), where f(x)=x∫1log t1+tdt.Then the value of F(e) is: |
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Answer» Let F(x)=f(x)+f(1x), where f(x)=x∫1log t1+tdt. |
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| 30. |
limh→02⎧⎪⎨⎪⎩√3sin(π6+h)−cos(π6+h)√3h(√3cosh−sinh)⎫⎪⎬⎪⎭ is equal to |
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Answer» limh→02⎧⎪⎨⎪⎩√3sin(π6+h)−cos(π6+h)√3h(√3cosh−sinh)⎫⎪⎬⎪⎭ is equal to |
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| 31. |
150 workers were engaged to finish a piece of work in a certain number of days. Four workers stopped working on the second day, four more workers stopped their work on the third day and so on. It took 8 more days to finish the work. Then the number of days in which the work was completed is |
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Answer» 150 workers were engaged to finish a piece of work in a certain number of days. Four workers stopped working on the second day, four more workers stopped their work on the third day and so on. It took 8 more days to finish the work. Then the number of days in which the work was completed is |
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| 32. |
Let f1:(0,∞)→R and f2:(0,∞)→R be defined by f1(x)=∫x021∏j=1(t−j)jdt, x>0 and f2(x)=98(x−1)50−600(x−1)49+2450, x>0, where, for any positive integer n and real number a1,a2…an, n∏i=1ai denotes the product of a1,a2,...an. Let mi and ni respectively denote the number of points of local minima and the number of points of local maxima of function fi, i=1,2 in the interval (0,∞).The value of 2m1+3n1+m1n1 is |
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Answer» Let f1:(0,∞)→R and f2:(0,∞)→R be defined by f1(x)=∫x021∏j=1(t−j)jdt, x>0 and f2(x)=98(x−1)50−600(x−1)49+2450, x>0, where, for any positive integer n and real number a1,a2…an, n∏i=1ai denotes the product of a1,a2,...an. Let mi and ni respectively denote the number of points of local minima and the number of points of local maxima of function fi, i=1,2 in the interval (0,∞). The value of 2m1+3n1+m1n1 is |
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| 33. |
Give the geometric representations of y = 3 as an equation:(i) in one variable(ii) in two variables |
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Answer» Give the geometric representations of y = 3 as an equation: (i) in one variable (ii) in two variables |
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| 34. |
A circular field has a circumference of 360 km. Three cyclists start together and can cycle 48, 60 and 72 km a day round the field. In how many days will they meet again? |
| Answer» A circular field has a circumference of 360 km. Three cyclists start together and can cycle 48, 60 and 72 km a day round the field. In how many days will they meet again? | |
| 35. |
A and B are two mutually exclusive and exhaustive events. If P(A)=17 find the value of 49 × P(B). ___ |
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Answer» A and B are two mutually exclusive and exhaustive events. If P(A)=17 find the value of 49 × P(B). |
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| 36. |
Suppose the line x−2α=y−2−5=z+22 lies on the plane x+3y−2z+β=0. Then (α+β) is equal to |
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Answer» Suppose the line x−2α=y−2−5=z+22 lies on the plane x+3y−2z+β=0. Then (α+β) is equal to |
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| 37. |
If A is a symmetric matrix and B is a skew symmetric matrix of the same order then A2+B2 is a |
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Answer» If A is a symmetric matrix and B is a skew symmetric matrix of the same order then A2+B2 is a |
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| 38. |
Write the number of vectors of unit length perpendicular to both the vectors a→=2i^+j^+2k^ and b→=j^+k^. |
| Answer» Write the number of vectors of unit length perpendicular to both the vectors . | |
| 39. |
The value of limx→01+sinx−cosx+loge(1−x)x3 is |
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Answer» The value of limx→01+sinx−cosx+loge(1−x)x3 is |
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| 40. |
17. If f is a function such that f(0) =2,f(1) =3,f(x+2) =2f(x)-f(x+1) then f(5)is |
| Answer» 17. If f is a function such that f(0) =2,f(1) =3,f(x+2) =2f(x)-f(x+1) then f(5)is | |
| 41. |
Question 2The product of two consecutive positive integers is divisible by 2: Is this statement true or false? Give reasons. |
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Answer» Question 2 |
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| 42. |
Coplanar vector |
| Answer» Coplanar vector | |
| 43. |
The shape of XeF2, XeF4 and XeO2F2 are respectively. |
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Answer» The shape of XeF2, XeF4 and XeO2F2 are respectively. |
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| 44. |
The range of f(x)=12x2−6x+7 is |
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Answer» The range of f(x)=12x2−6x+7 is |
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| 45. |
The solution y(x) of the differential equation d2ydx2=sin 3x+ex+x2 when y1(0)=1 and y(0) = 0 is |
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Answer» The solution y(x) of the differential equation d2ydx2=sin 3x+ex+x2 when y1(0)=1 and y(0) = 0 is |
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| 46. |
Match the functions with their corresponding derivatives. |
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Answer» Match the functions with their corresponding derivatives. |
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| 47. |
The sum to 50 terms of the series 312+512+22+712+22+32+… is |
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Answer» The sum to 50 terms of the series 312+512+22+712+22+32+… is |
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| 48. |
Which of the following statements are correct ? Write a correct form of each of the incorrect statements. (i) a ⊂ {a, b, c} (ii) {a} ϵ {a, b, c} (iii) a ϵ {(a), b} (iv) {a} ⊂ {(a), b} (v) {b, c} ⊂ {a, {b, c}} (vi) {a, b} ⊂ {a, {b, c}} (vii) ϕ ϵ {a, b} (viii) ϕ ⊂ {a, b, c} (ix) {x : x +3 = 3} = ϕ |
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Answer» Which of the following statements are correct ? Write a correct form of each of the incorrect statements. (i) a ⊂ {a, b, c} (ii) {a} ϵ {a, b, c} (iii) a ϵ {(a), b} (iv) {a} ⊂ {(a), b} (v) {b, c} ⊂ {a, {b, c}} (vi) {a, b} ⊂ {a, {b, c}} (vii) ϕ ϵ {a, b} (viii) ϕ ⊂ {a, b, c} (ix) {x : x +3 = 3} = ϕ |
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| 49. |
The zeroes of the polynomial f(x)=x2−3 are x= |
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Answer» The zeroes of the polynomial f(x)=x2−3 are x= |
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| 50. |
Let →a,→b,→c are the non zero vectors no two of which are collinear. If the vector →a+2→b is collinear with →c and →b+3→c is collinear with →a then the magnitude of →a+2→b+6→c is equal to___ |
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Answer» Let →a,→b,→c are the non zero vectors no two of which are collinear. If the vector →a+2→b is collinear with →c and →b+3→c is collinear with →a then the magnitude of →a+2→b+6→c is equal to |
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