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.
| 2551. |
If x=1+logtt2, y=3+2logtt, find dydx |
| Answer» If | |
| 2552. |
If (n+1)!=30⋅(n−1)!, then the value of n is |
|
Answer» If (n+1)!=30⋅(n−1)!, then the value of n is |
|
| 2553. |
The feasible region for an LPP is shown in the given figure. Let z = 3x-4y be the objective function. Maximum value of z is(a) 0(b) 8(c) 12(d) –18 |
Answer» The feasible region for an LPP is shown in the given figure. Let z = be the objective function. Maximum value of z is![]() (a) 0 (b) 8 (c) 12 (d) –18 |
|
| 2554. |
Find the value of |x+b| + |x + a| + |a-b| ___ |
|
Answer»
Find the value of |x+b| + |x + a| + |a-b| |
|
| 2555. |
A projectile is thrown with speed u making angle θ with horizontal at t=0. It just crosses two points of equal height, at time t=1 s and t=3 s respectively. Calculate the maximum height attained by it?(g=10 m/s2) |
|
Answer» A projectile is thrown with speed u making angle θ with horizontal at t=0. It just crosses two points of equal height, at time t=1 s and t=3 s respectively. Calculate the maximum height attained by it? |
|
| 2556. |
Mark the correct alternative in the following question:The probability that a person is not a swimmer is 0.3. The probability that out of 5 persons 4 are swimmers isa C450.740.3 b C150.70.34 c C450.70.34 d 0.740.3 |
|
Answer» Mark the correct alternative in the following question: The probability that a person is not a swimmer is 0.3. The probability that out of 5 persons 4 are swimmers is |
|
| 2557. |
The value of constants m and c for which y=mx+c is a solution of the differential equation D2y+3Dy+4y=4x(D2y=d2ydx2,Dy=dydx) |
|
Answer» The value of constants m and c for which y=mx+c is a solution of the differential equation D2y+3Dy+4y=4x |
|
| 2558. |
The distance between the parallel lines x1=y−22=z−33 and →r=2^i−^j+3^k+λ(^i+2^j+3^k) is |
|
Answer» The distance between the parallel lines x1=y−22=z−33 and →r=2^i−^j+3^k+λ(^i+2^j+3^k) is |
|
| 2559. |
The surface area of a cube increases at a uniform rate of 0.5 cm2/sec. The rate of increase in the volume of the cube when the side is 20 cm is ____ |
|
Answer» The surface area of a cube increases at a uniform rate of 0.5 cm2/sec. The rate of increase in the volume of the cube when the side is 20 cm is ____ |
|
| 2560. |
If the average of a, b, c, d, and e is 38, average of a, c, and e is 28, and average of b and d is n2+4, then the value of n is ±k. Find the value of k. |
|
Answer» If the average of a, b, c, d, and e is 38, average of a, c, and e is 28, and average of b and d is n2+4, then the value of n is ±k. Find the value of k. |
|
| 2561. |
Let ∗ be a binary operation on the set of natural numbers N defined by a∗b = ab for all a and b ϵ N , then ∗ is |
|
Answer» Let ∗ be a binary operation on the set of natural numbers N defined by a∗b = ab for all a and b ϵ N , then ∗ is |
|
| 2562. |
Coordinates of the focus of the parabola √xa+√yb=1 is |
|
Answer» Coordinates of the focus of the parabola √xa+√yb=1 is |
|
| 2563. |
IfH1,H2,....H20be 20 harmonic means between 2 and 3, thenH1+2H1−2+H20+3H20−3= |
|
Answer» IfH1,H2,....H20be 20 harmonic means between 2 and 3, thenH1+2H1−2+H20+3H20−3= |
|
| 2564. |
The radius of gyration of a uniform rod of length l about an axis passing through a point l4 away from the centre of the rod and perpendicular to it is |
|
Answer» The radius of gyration of a uniform rod of length l about an axis passing through a point l4 away from the centre of the rod and perpendicular to it is |
|
| 2565. |
If −4≤8x−2≤4, then the minimum value of 1x2 is |
|
Answer» If −4≤8x−2≤4, then the minimum value of 1x2 is |
|
| 2566. |
Let f:[−1,1]→[0,2] be a function defined by f(x)=mx+c where m>0. If f is onto and tan(tan−117+cot−18+cot−118) equals f(a) for some a∈[−1,1], then the value of [a]+9 is ([.] denotes the greatest integer function) |
|
Answer» Let f:[−1,1]→[0,2] be a function defined by f(x)=mx+c where m>0. If f is onto and tan(tan−117+cot−18+cot−118) equals f(a) for some a∈[−1,1], then the value of [a]+9 is ([.] denotes the greatest integer function) |
|
| 2567. |
if x=1-√2, then find the value of (x-1/x)^3 |
| Answer» if x=1-√2, then find the value of (x-1/x)^3 | |
| 2568. |
r21-x66. |
| Answer» r21-x66. | |
| 2569. |
05 If a and b are the roots of the equation x^2-ax+b=0 then (a)a=0,b=1(b)a=-2,b=1(c)a=1,b=-2(d)none of these |
| Answer» 05 If a and b are the roots of the equation x^2-ax+b=0 then (a)a=0,b=1(b)a=-2,b=1(c)a=1,b=-2(d)none of these | |
| 2570. |
if α,β,γ are the zeroes of the polynomial 3x-x^3+5 then the incorrect option is (1)β^2-αγ=3 (2)αβγ=5 (3)β^3-3β=5 (4)all are correc |
| Answer» if α,β,γ are the zeroes of the polynomial 3x-x^3+5 then the incorrect option is (1)β^2-αγ=3 (2)αβγ=5 (3)β^3-3β=5 (4)all are correc | |
| 2571. |
Express the following matrix as the sum of a symmetric and a skew-symmetric matrices; ⎡⎢⎣33−1−2−21−4−52⎤⎥⎦ |
|
Answer» Express the following matrix as the sum of a symmetric and a skew-symmetric matrices; |
|
| 2572. |
If 4∫0√{x}dx=α, then the value of 3α is(where {⋅} denotes fractional part function) |
|
Answer» If 4∫0√{x}dx=α, then the value of 3α is |
|
| 2573. |
The value of limx→∞(x+1)10+(x+3)10+(x+5)10+⋯+(x+49)10(x+2)10+(x+4)10+(x+6)10+⋯+(x+26)10 is |
|
Answer» The value of limx→∞(x+1)10+(x+3)10+(x+5)10+⋯+(x+49)10(x+2)10+(x+4)10+(x+6)10+⋯+(x+26)10 is |
|
| 2574. |
find the real values of the parameter a such that (2a +1)x^2 - a(x-1)=2 has one root greater than 1 and other less than 1 |
| Answer» find the real values of the parameter a such that (2a +1)x^2 - a(x-1)=2 has one root greater than 1 and other less than 1 | |
| 2575. |
Find ∫xe−x dx |
| Answer» Find ∫xe−x dx | |
| 2576. |
Statements: T $ G, K P, M # T, P + M Conclusions: I. K T II. G $ P |
|
Answer» Statements: T $ G, K P, M # T, P + M Conclusions: I. K T II. G $ P |
|
| 2577. |
Find the sum of theproducts of the corresponding terms of the sequences 2, 4, 8, 16, 32and 128, 32, 8, 2, . |
|
Answer» Find the sum of the |
|
| 2578. |
The value of cos−1(1517)+2tan−1(15) is |
|
Answer» The value of cos−1(1517)+2tan−1(15) is |
|
| 2579. |
Let →a,→b,→c be three vectors such that |→a|=|→b|=|→c|=4 and angle between →a and →b is π/3 angle between →b and →c is π/3 and angle between →c and →a is π/3.The volume of trianglular prism whose adjacent edges are represented by the vectors →a,→b and →c |
|
Answer» Let →a,→b,→c be three vectors such that |→a|=|→b|=|→c|=4 and angle between →a and →b is π/3 angle between →b and →c is π/3 and angle between →c and →a is π/3. |
|
| 2580. |
∫x−sin x1+cos xdx=x tan(x2)+p log∣∣sec(x2)∣∣+c⇒p= |
|
Answer» ∫x−sin x1+cos xdx=x tan(x2)+p log∣∣sec(x2)∣∣+c⇒p= |
|
| 2581. |
The value of limn→∞1n3n∑k=1(k2x) is |
|
Answer» The value of limn→∞1n3n∑k=1(k2x) is |
|
| 2582. |
For the sequence 1,2,2,4,4,4,4,8,8,8,8,8,8,8,8,…, the 1025th term is |
|
Answer» For the sequence 1,2,2,4,4,4,4,8,8,8,8,8,8,8,8,…, the 1025th term is |
|
| 2583. |
If the area of a triangle with vertices (-3,0), (3, 0) and (0, k) is 9 sq. units, then, the value of k will be: (a) 9 (b) 3 (c) -9 (c) 6 |
|
Answer» If the area of a triangle with vertices (-3,0), (3, 0) and (0, k) is 9 sq. units, then, the value of k will be: (a) 9 |
|
| 2584. |
Integrate the following functions. ∫x2√x6+a6dx. |
|
Answer» Integrate the following functions. |
|
| 2585. |
Find theangle between the vectors |
|
Answer» Find the |
|
| 2586. |
if the second largest side of quadrilateral is of length 10 then what is the length of largest side |
|
Answer» if the second largest side of quadrilateral is of length 10 then what is the length of largest side |
|
| 2587. |
A polynomial ax^3 + bx^2 + cx + d intersects the x-axis at (-2,0);(2,0) and the y-axis at (0,-4). Then, the value of 'b' is(a) 1(b) -1(c) 2(d) -2 |
|
Answer» A polynomial ax^3 + bx^2 + cx + d intersects the x-axis at (-2,0);(2,0) and the y-axis at (0,-4). Then, the value of 'b' is (a) 1 (b) -1 (c) 2 (d) -2 |
|
| 2588. |
State the types of the underlined phrases. The arrogant and vain man had been taught a lesson. |
|
Answer» State the types of the underlined phrases. The arrogant and vain man had been taught a lesson. |
|
| 2589. |
For every positive integer n, 2n < n! when |
|
Answer» For every positive integer n, 2n < n! when |
|
| 2590. |
ntThe function f is continuous and has property f(f(x))=1-x, then find the value of f(1/3)+f(2/3)n |
| Answer» ntThe function f is continuous and has property f(f(x))=1-x, then find the value of f(1/3)+f(2/3)n | |
| 2591. |
∫[1(7x−5)3+1√5x−4]dx |
| Answer» ∫[1(7x−5)3+1√5x−4]dx | |
| 2592. |
1 dx0 |
| Answer» 1 dx0 | |
| 2593. |
Suppose α,β and θ are angles satisfying 0<α<θ<β<π2, then sinα−sinβcosβ−cosα= |
|
Answer» Suppose α,β and θ are angles satisfying 0<α<θ<β<π2, then sinα−sinβcosβ−cosα= |
|
| 2594. |
Prove that: sin 5x=5 sin x-20 sin3 x+16 sin5 x |
| Answer» Prove that: | |
| 2595. |
If 9th term of an A.P. is zero, then its 29th and 19th terms are in the ratio __________. |
| Answer» If 9th term of an A.P. is zero, then its 29th and 19th terms are in the ratio __________. | |
| 2596. |
Let A1,A2,⋯,An be the vertices of a regular polygon of n sides in a circle of radius unity and a=|A1A2|2+|A1A3|2+⋯|A1An|2, b=|A1A2||A1A3|⋯|A1An|, then ab= |
|
Answer» Let A1,A2,⋯,An be the vertices of a regular polygon of n sides in a circle of radius unity and a=|A1A2|2+|A1A3|2+⋯|A1An|2, b=|A1A2||A1A3|⋯|A1An|, then ab= |
|
| 2597. |
The perpendicular distance of the point P(6,7,8) from XY−plane is |
|
Answer» The perpendicular distance of the point P(6,7,8) from XY−plane is |
|
| 2598. |
The sum of first 20 terms of the sequence 0.5, 0.55, 0.555,...., is ___. |
|
Answer» The sum of first 20 terms of the sequence 0.5, 0.55, 0.555,...., is ___. |
|
| 2599. |
If X follows a binomial distribution with parameters n=8 and p=12, then P(|X–4|≤2) equals. |
|
Answer» If X follows a binomial distribution with parameters n=8 and p=12, then P(|X–4|≤2) equals. |
|
| 2600. |
P is the extremity of the latus rectum of ellipse 3x2+4y2=48 in the first quadrant. The eccentric angle of P is |
|
Answer» P is the extremity of the latus rectum of ellipse 3x2+4y2=48 in the first quadrant. The eccentric angle of P is |
|