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Many Blocks are placed one over the other such that some part of the upper slab hangs out of the lower one. How will you Determine the stability?? eg: assume that there are 4 blocks. each of length 1 m. The 1st block is on gr ...
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2 frnds after a long time decided to meet at a particular coffee shop between 5:00 pm to 6:00 pm on a specified day.they also decided that the person whho comes earlier will not wait for the second person for more than 10mins ...
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Plot a curve b/w P vs V plot: A(V0,P0) B(V0,3P0) C(3V0,P0) join A, B, C with straight lines Find Efficiency ...
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Firstly this not a lengthy question can be solved in 2-3 steps. Two towers of Height H and 2H separated by √3H what is the min velocity required to throw the ball from side of short tower so that it just touches small tower ...
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Q1. A fixed Pt. P(5,2) is given and two points A and B on x=y and y=0, Find: i) coordinates of A for |PA+PB+PC|min ii) coordinates of B for |PA+PB+PC|min iii) value of |PA+PB+PC|min ...
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Question of Ramanujan contest... ...
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There are N points in a Plane. All the points are joined with each other. Note that the line segments are made. The lines are not extended on either sides. They meet at a lot of points. What is the number of points where thes ...
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A 5.00 g sample containing Fe3O4, Fe2O3 and an inert impure substance, is treated with excess KI solution in presence of dil H2SO4. The entire iron is converted into Fe2+ along with liberation of iodine. The resulting solutio ...
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(D.C. Pandey........) A circular tube of mass M is placed vertically on a horizontal surface as shown in the figure. Two small spheres, each of mass m, just fit in the tube are released from the top. Find M/m if the tube just ...
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*Image* RR' is a road on which Powerplant P has to be constructed. There are two villages A & B on same side of the road. Find the optimum location of poweplant P such that wiring cost i.e. PA+PB is minimum. Note: You sho ...
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This is a very famous problem of Mathematics (Not very much in IIT Syllabus though! but a very very interesting question of Limits!) A man Starts from his home to office. When he reaches half way he starts to go back to his h ...
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In the diagram below, The ball hits the billiards table and returns back in the same direction. If the angle of hitting the wall is θ from the vertical. Find the minimum coefficient of friction between the wall and the ball. ...
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For how many values of "a" will the following equation have two equal roots: x^3 + (a^2++a-1)x^2 + (a^3-a^2-a)x -a^3 =0 i got 4 as ans.... plz verify... ...
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Find the area under the graph [y]=sin[x] for x ε [-100,100] ...
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Let p,q,r,be three prime numbers such that 5<=p<q<r and 2p2-r2>=49 2q2-r2<=193 find p, q ,r ...
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*Image* Water flows in a circular path as shown.. the speed is such that it flows at a constant speed "v" throughout the width of the river. What is the position of the swimmer who swims perpendicular to the water flo ...
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This one is a one liner.. A very objective paper question. Pls use the Hide link. Many of u might feel this not good enuf for a question of the day.. But then all ppl are not smart enuf either :) find the smallest distance be ...
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*Image* a rod is aligned at a corner as in figure. no friction is there anywhere. it start to slide. prove that it would leave the vertical wall when it's tip is at a height 1/3rd of initial. edit:: the actual question as ...
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A man climbs a flight of stairs. (Remember that he is not only moving forward but upwards as well.) Assume that he travels H height and L length(in horzontal distance) Man's mass=M. he carries a briefcase of mass m Ex ...
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*Image* The Figure shows two rods BC and OA hinged from B and O respectively. Rod BC has a groove in which A of rod OA can slide smoothly. At a given instant,the rod BC has an angular velocity ω. The speed of end A of the ro ...
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Pls post solution of test which you posted (T-276). plzzzzzzzzzzzzz. :) ...
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What was the last time I gave a maths question? An easy one.. sort of! f(x)=[x] g(x) = f -1 (x) Find the solution for f(x)=g(x) ...
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N people are there in a group. It is known that the probability that atleast two of them having common birthday is "P". find the smallest N such that P is greater than 1/2 (This is an easy problem. Do not get intimida ...
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*Image* A projectile is fired with a speed 10 m/s , at an angle 30° with the horizontal.Find the time after which the velocity is perpendicular to the initial velocity of Projection.Take g as 10 m/s^2. 1.2s 2.2.5 s 3.1s 4.No ...
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A needle has a length of L meters is placed gently on the surface of the water(γ). What is the weight of the heaviest needle that can be floated ? ? (Very easy question. I gave this one so that you study surface tens ...
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1)Give the diel's alder adduct b/w phenanthrene and anthracene . 2) give the structure of the prodcut . here's the Q. *Image* ...
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Name a few bio-degradable polymers. Give 2 uses of each of these polymers: Natural rubber, cellulose, nylon, teflon and PVC. ...
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A thread is wrapped over a massless pulley. The pulley and rope have a coefficient of friction k between them. If the thread/rope is wrapped by an angle of "theta".. then what is the ratio of the tensions on both side ...
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Without graphing can you write out all solutions to x2 = 2x ? This is not entirely JEE stuff, but you can learn an interesting concept here ...
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sum 1 tel me...................... Sum of d factors of 10! which are odd and are of d form "3m+2", m belongs to N ...
