Explore topic-wise InterviewSolutions in .

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.

1401.

The absolute difference of the two positive numbers whose arithmetic mean is 34 and the geometric mean is 16, is

Answer»

The absolute difference of the two positive numbers whose arithmetic mean is 34 and the geometric mean is 16, is

1402.

The value of ∣∣∣∣∣√3+i[1+1(1−i)]2∣∣∣∣∣ is (where i=√−1)∣∣∣∣∣√3+i[1+1(1−i)]2∣∣∣∣∣ का मान है (जहाँ i=√−1)

Answer»

The value of

3+i[1+1(1i)]2

is (where i=1)





3+i[1+1(1i)]2

का मान है (जहाँ i=1)

1403.

Consider a plane x+y−z=1 and point A(1,2,−3). A line L has the equation x=1+3r,y=2−r and z=3+4r.The equation of the plane containing line L and point A has the equation

Answer»

Consider a plane x+yz=1 and point A(1,2,3). A line L has the equation x=1+3r,y=2r and z=3+4r.



The equation of the plane containing line L and point A has the equation

1404.

The term independent of x in the expansion (√x√3+√32x2)10 is equal to:

Answer»

The term independent of x in the expansion (x3+32x2)10 is equal to:

1405.

If (1+x+x2)20=a0+a1x+a2x2+⋯+a40x40, then the value of a0+3a1+5a2+⋯+81a40 is:

Answer»

If (1+x+x2)20=a0+a1x+a2x2++a40x40, then the value of a0+3a1+5a2++81a40 is:

1406.

If two lines perpendicular to each other always satisfy the condition cotθ1+cotθ2=2, where θ1 and θ2 are the angles made by the lines with positive direction of X−axis and M1, M2 be the respective slopes, then ∣∣M1+√2M2∣∣ is equal to (where M1>M2)

Answer» If two lines perpendicular to each other always satisfy the condition cotθ1+cotθ2=2, where θ1 and θ2 are the angles made by the lines with positive direction of Xaxis and M1, M2 be the respective slopes, then M1+2M2 is equal to

(where M1>M2)
1407.

Consider a complete binary tree where the left and the right subtrees of the root are max-heaps. The lower bound for the number of operations to convert the tree to a heap is

Answer»

Consider a complete binary tree where the left and the right subtrees of the root are max-heaps. The lower bound for the number of operations to convert the tree to a heap is


1408.

Find the equation to the locus of a point P whose distance to (2, o) is equal to its distance from y axis

Answer» Find the equation to the locus of a point P whose distance to (2, o) is equal to its distance from y axis
1409.

The number of solution(s) of y=x2+10x+22 and y=ex is

Answer»

The number of solution(s) of y=x2+10x+22 and y=ex is

1410.

The centre of circle x2+y2+16x−22y−20=0, is

Answer»

The centre of circle x2+y2+16x22y20=0, is

1411.

If (a, b), (c, d), (e, f) are the vertices of a triangle such that a, c, e are in GP with common ratio r and b, d, f are in GP with common ratio s, then the area of the triangle is

Answer»

If (a, b), (c, d), (e, f) are the vertices of a triangle such that a, c, e are in GP with common ratio r and b, d, f are in GP with common ratio s, then the area of the triangle is

1412.

Prepare bank reconciliation statement of Shri Bhandari as on December 31, 2010 (i) The Payment of a cheque for Rs. 550 was recorded twice in the passbook. (ii) Withdrawal column of the passbook undercast by Rs. 200. (iii) A cheque of Rs. 200 has been debited in the bank column of the cash book but it was not sent to the bank at all. (iv) A cheque of Rs. 300 debited to bank column of the cash book was not sent to the bank. (v) Rs. 500 in respect of dishonoured cheque were entered in the pass book but not in the cash book. Overdraft as per pass book is Rs. 20,000.

Answer»

Prepare bank reconciliation statement of Shri Bhandari as on December 31, 2010

(i) The Payment of a cheque for Rs. 550 was recorded twice in the passbook.

(ii) Withdrawal column of the passbook undercast by Rs. 200.

(iii) A cheque of Rs. 200 has been debited in the bank column of the cash book but it was not sent to the bank at all.

(iv) A cheque of Rs. 300 debited to bank column of the cash book was not sent to the bank.

(v) Rs. 500 in respect of dishonoured cheque were entered in the pass book but not in the cash book.

Overdraft as per pass book is Rs. 20,000.

1413.

Which of the following is parallel to plane 3x - 3y +4z = 7?

Answer»

Which of the following is parallel to plane 3x - 3y +4z = 7?



1414.

If both the roots of the quadratic equation x2−mx+4=0 are real and distinct and they lie in the interval [1,5], then m lies in the interval :

Answer»

If both the roots of the quadratic equation x2mx+4=0 are real and distinct and they lie in the interval [1,5], then m lies in the interval :

1415.

Q. नीचे दी गयी आकृतियों का अवलोकन करें। बाएं से दाएं निरीक्षण करने पर हम पाते हैं कि वे कुछ नियमों के साथ परिवर्तित हो रही हैं: इसी नियमानुसार परिवर्तित करने पर निम्नलिखित में से कौन-सी आकृति अगली आकृति होगी?

Answer»

Q. नीचे दी गयी आकृतियों का अवलोकन करें। बाएं से दाएं निरीक्षण करने पर हम पाते हैं कि वे कुछ नियमों के साथ परिवर्तित हो रही हैं:


इसी नियमानुसार परिवर्तित करने पर निम्नलिखित में से कौन-सी आकृति अगली आकृति होगी?

1416.

Interval in which ‘a′ lies so that x3–3x+a=0 has three real and distinct roots.

Answer»

Interval in which a lies so that x33x+a=0 has three real and distinct roots.



1417.

If A, B, C be the angles of a triangle, then which of the following hold good?

Answer»

If A, B, C be the angles of a triangle, then which of the following hold good?

1418.

Find the value of tan (A + B) if the roots of the equation 6x2−5x+1=0 are tan A and tan B

Answer»

Find the value of tan (A + B) if the roots of the equation 6x25x+1=0 are tan A and tan B


1419.

If the point of contact of the circle x2+y2−30x+6y+109=0 with the tangent 11x - 2y - 46 = 0 is (a, b), find a + b___

Answer»

If the point of contact of the circle x2+y230x+6y+109=0 with the tangent 11x - 2y - 46 = 0 is (a, b), find a + b





___



1420.

If cosA= -12/13, and cotB =24/7 , where A lies in the second quadrant and B in the third quadrant, then cos(A+B)=?

Answer» If cosA= -12/13, and cotB =24/7 , where A lies in the second quadrant and B in the third quadrant, then cos(A+B)=?
1421.

Number of ways of arranging 5 different objects in the squares of given figure in such a way that no row remains empty and one square can't have more then one object.

Answer»

Number of ways of arranging 5 different objects in the squares of given figure in such a way that no row remains empty and one square can't have more then one object.


1422.

If P(A)=0.6 and the greatest value of P(A∩B)=0.4, then the greatest value of P(B) is k10. The value of k is

Answer» If P(A)=0.6 and the greatest value of P(AB)=0.4, then the greatest value of P(B) is k10. The value of k is
1423.

The sum to infinite terms of the series cosec−1√10+cosec−1√50+cosec−1√170+......+cosec−1√(n2+1)(n2+2n+2) is

Answer»

The sum to infinite terms of the series cosec110+cosec150+cosec1170+......+cosec1(n2+1)(n2+2n+2) is

1424.

Let S=S1∩S2∩S3, whereS1={z ϵ C:|z|<4},S2={z ϵ C:Im [z−1+√3i1−√3i]>0} and S3={z ϵ C:Re(z)>0}.Area of S=

Answer»

Let S=S1S2S3, where

S1={z ϵ C:|z|<4},S2={z ϵ C:Im [z1+3i13i]>0} and S3={z ϵ C:Re(z)>0}.

Area of S=

1425.

The general solution of sin = 0 is

Answer»

The general solution of sin = 0 is


1426.

In an experiment, the percentage of error occured in the measurement of physical quantities A, B, C and D are 1%, 2%, 3% and 4 % respectively. Then, the maximum percentage of error in the measurement of X, where X=A2B1/2C1/3D3, will be

Answer»

In an experiment, the percentage of error occured in the measurement of physical quantities A, B, C and D are 1%, 2%, 3% and 4 % respectively. Then, the maximum percentage of error in the measurement of X, where X=A2B1/2C1/3D3, will be

1427.

The value of the limit limx→∞ (√x+3−√x}√x+1 is

Answer»

The value of the limit limx (x+3x}x+1 is

1428.

If r is a fixed positive integer, then if we use induction we can find that the expression (r+1)(r+2)(r+3)....(r+n) is always divisible by

Answer»

If r is a fixed positive integer, then if we use induction we can find that the expression (r+1)(r+2)(r+3)....(r+n) is always divisible by

1429.

Lithium forms body centred cubic structure. The length of the side of its unit cell is 360 pm. Atomic radius (in pm) of the lithium will be (Given √3=1.7)

Answer» Lithium forms body centred cubic structure. The length of the side of its unit cell is 360 pm. Atomic radius (in pm) of the lithium will be

(Given 3=1.7)


1430.

Match the following: Given sinA=23 and sinB=14

Answer»

Match the following:
Given sinA=23 and sinB=14

1431.

The coefficient of the middle term in the binomial expansion in powers of x of (1+αx)4 and of (1−αx)4is the same if α =

Answer»

The coefficient of the middle term in the binomial expansion in powers of x of (1+αx)4 and of (1αx)4is the same if α =

1432.

PQ is a double ordinate of the parabola y2=4ax . The locus of the points of trisection of PQ is

Answer»

PQ is a double ordinate of the parabola y2=4ax . The locus of the points of trisection of PQ is


1433.

If a function f(x) is defined in x ϵ [a, b], then f(x) is continuous at a if

Answer»

If a function f(x) is defined in x ϵ [a, b], then f(x) is continuous at a if



1434.

Tangents are drawn from the point P(2,2) to the circle x2+y2=1, touching the circle at A and B. Then equation of circumcircle of △PAB is

Answer»

Tangents are drawn from the point P(2,2) to the circle x2+y2=1, touching the circle at A and B. Then equation of circumcircle of PAB is

1435.

The complete solution set of the inequality log5(x2−2)&lt;log5(32|x|−1) is

Answer»

The complete solution set of the inequality log5(x22)<log5(32|x|1) is

1436.

If x is an integer and (5x−1)&lt;(x+1)2&lt;(7x−3), then the value of x is

Answer» If x is an integer and (5x1)<(x+1)2<(7x3), then the value of x is
1437.

If I is the greatest of the definite integrals I1=∫10e−xcos2x dx, I2=∫10e−x2cos2 x dxI3=∫10e−x2dx, I4=∫10e−x22dx, then

Answer»

If I is the greatest of the definite integrals

I1=10excos2x dx, I2=10ex2cos2 x dx

I3=10ex2dx, I4=10ex22dx, then



1438.

In the expansion of (2a+3)(a+2)2 ; find the coefficient of a2 and a

Answer»

In the expansion of (2a+3)(a+2)2 ; find the coefficient of a2 and a


1439.

Evaluate the following limit: limx→0sin axbx

Answer»

Evaluate the following limit:
limx0sin axbx

1440.

The value of 6+log32⎛⎜⎝13√2⎷4−13√2⎷4−13√2√4−13√2……⎞⎟⎠ is

Answer»

The value of 6+log32132
4132
41324132
is

1441.

∫x8+4x4−2x2+2dx=

Answer» x8+4x42x2+2dx=
1442.

Find the real numbers x and y if (x−iy)(3+5i) is the conjugate of -6 -24i

Answer»

Find the real numbers x and y if (xiy)(3+5i) is the conjugate of -6 -24i

1443.

If x2−11x+a and x2−14x+2a have common factor, then value(s) of a is/are

Answer»

If x211x+a and x214x+2a have common factor, then value(s) of a is/are

1444.

The number of solution(s) of 1+logx(4−x10)=(log10log10n−1)logx10 for a given value of n∈(1,104)−{103} is

Answer» The number of solution(s) of 1+logx(4x10)=(log10log10n1)logx10 for a given value of n(1,104){103} is
1445.

If Cr means nCr then C01+C23+C45+⋯=

Answer»

If Cr means nCr then C01+C23+C45+=


1446.

Write the first five terms of the sequences whose nth term is: an=nn+1

Answer»

Write the first five terms of the sequences whose nth term is:

an=nn+1

1447.

Angle between the tangents to curves y = sinx and y = cosx at x = π4 isx = π4 पर वक्रों y = sinx तथा y = cosx की स्पर्श रेखाओं के मध्य कोण है

Answer»

Angle between the tangents to curves y = sinx and y = cosx at x = π4 is



x = π4 पर वक्रों y = sinx तथा y = cosx की स्पर्श रेखाओं के मध्य कोण है

1448.

If 1+log5(x2+1)≥log5(ax2+4x+a) for all x∈R, then a can be equal to

Answer»

If 1+log5(x2+1)log5(ax2+4x+a) for all xR, then a can be equal to



1449.

If cosec θ=257, then which of the following can be correct?

Answer»

If cosec θ=257, then which of the following can be correct?

1450.

If the ratio of the 5th term from the beginning to the 5th term from the end in the expansion of (4√2+14√3)n is √6:1 then find the value of n.

Answer»

If the ratio of the 5th term from the beginning to the 5th term from the end in the expansion of (42+143)n
is 6:1 then find the value of n.