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How do u rate Veltech Technical university in all respects? ...
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Q . Solve: cos-1 x2-1/x2+1 + tan-1 2x/x2-1 = 2 π/3 I'm getting ± 3 but the book says 3 , 2 - 3 ! [7] ...
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I am confused in the approach to two similar questions. So I am posting both- 1) A team of 8 couples (husband and wife) attend a lucky draw in which 4 persons are picked up for a prize. The probability that there is atleast o ...
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JUST CONFIRM THE ANSWER. I am getting 3h/2 from top. suppose in a container of height 2h ,there are two liquids of density rho(0) and 2 rho(0) ( each height h). we want to find the point on the container where a hole can be d ...
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Why don't carbenes combine to give ethene whereas two H-C with 3 free e- combine to give H-C≡C-H ? ...
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1) Prove that nn> 1.3.5.....(2n-3)(2n-1) 2) Let a, b, c be the sides of a triangle with perimeter 2. Prove that a2+b2+c2+2abc<2 3) -5<x<11. What is the greatest value of (11-x)3(x+5)5 4) x,y,z are positive real nu ...
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1)prove that (2+√5)1/3 + (2-√5)1/3 is rational. 2)Let a,b,c be distinct real numbers.prove that (a-b)1/3+ (b-c)1/3+ (c-a)1/3≠0 ...
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Hey I am giving KVPY this year (31st October 2010). I registered for the exam through the net,but I am unable to get the online admit card.....in fact the required link in not coming.. If anyone has downloaded the admit card ...
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if a person is walking in south direction with a speed of 20 m/s and in that time the direction of the wind ne direction and if the person increases the speed and walking with a speed of 40m/s then the direction of wind will ...
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(1) A bag contains 4 balls. Two balls are drawn at random and are found to be white. What is the probability that all balls are white? ...
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if there are 2 containers A and B A-contains gases c n d B-contains gases c pressure in B is greater than A will th gas d move from A to B?? ...
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Cos 2θ + 2cosθ is always 1) greater than -3/2 2) less than or equal to 3/2 3) greater than or equal to -3/2 4) none of these ...
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*Image* ...
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Suppose n (≥3) persons are sitting in a row. Two of them are selected at random. The probability that they're not together is a) 1-(2/n) b) 2/(n-1) c) 1-(1/n) d) 2/(n+1) ...
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Suppose n (≥3) persons are sitting in a row. Two of them are selected at random. The probability that they're not together is a) 1-(2/n) b) 2/(n-1) c) 1-(1/n) d) 2/(n+1) ...
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Suppose n (≥3) persons are sitting in a row. Two of them are selected at random. The probability that they're not together is a) 1-(2/n) b) 2/(n-1) c) 1-(1/n) d) 2/(n+1) ...
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*Image* *Image* please explain the step marked in violet... how???? [2] [2] ...
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Q1. When we take high concentration of strong base in a non-ionising solvent, bimolecular mechanism are favoured and predominant mechanism is (a) SN2 (b) E2 (c) AN1Ar (d) E1CB Q2. In the reaction 2-Bromopropane ------> (Na ...
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Four of the following five are alike in a certain way that they form a group. Which is the 1 that does not belong to the group? 1) Horse 2) Dog 3) Camel 4) Cow 5) Fox the ans is Dog ...
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Four of the following five are alike in a certain way that they form a group. Which is the 1 that does not belong to the group? 1) Horse 2) Dog 3) Camel 4) Cow 5) Fox the ans is Dog ...
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Today Amy celebrates her birthday. Two days later her twin brother Matthew celebrates his birthday. How can this be so? Hint: Today doesn't specifically mean the current day! ...
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2 . According to the kinetic theory of gases , an assumption is made that there are a large number of molecules in a perfect gas . However , real gases behave like ideal ones only at low temperatures . Don’t you think that ...
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The energy released by the fission of uranium nuclei would be higher if the uranium nucleus split into three parts rather than into two parts. Despite this, the fission of uranium only produces two nuclei. Why is this? ...
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Q:- Water is dripping through a tiny hole at the vertex in the bottom of a conical funnel at a uniform rate of 4 cm3/s.When the slant height of the water is 3 cm,find the rate of the decrease of the slant height of the water, ...
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The exponential function ex is strolling along the road insulting the functions he sees walking by. He scoffs at a wandering polynomial for the shortness of its Taylor series. He snickers at a passing smooth function of compa ...
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GUYZ..THIS IS ALLEGEDLY A BITSAT QUESTION.... FIND THE ODD-ONE OUT A>NEEDLE B>GRAUPEL C>COLUMN D>DENDRITE...PLZ GIVE REASON ...
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A bag contains 5 balls of unknown colour. A ball is drawn and replaced twice , and in each case it is found to be red.: if two balls are drawn simultaneously .find the chances that it is red. ...
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1. what type of waves are used in: a)photography in fog b)detecting crystal structure 2.A solution of Na in liquid ammonia at -33°C conducts electricity. On cooling the conductivity of this _______. 3.what are the reactions ...
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1. what type of waves are used in: a)photography in fog b)detecting crystal structure 2.A solution of Na in liquid ammonia at -33°C conducts electricity. On cooling the conductivity of this _______. 3.what are the reactions ...
