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*Image* WAT WILL B D SPEED OF D IMG? SPEED OF OBJT IS Vm =3m/s SPEED OF plane MIRROR IS Vo=2m/s ...

*Image* 12 identical rods made of same material are arranged in form of a cube. The temp. of P & Qare maintained at 90 C & 30 C resp. The temp. of V , in steady state is? ...

Find the total number of positive integral solutions of the following 1. x1x2 x3..... xn = n 2. x1 x2 x3..... xn = -n 3. x1 +x2 +x3+....+ xn = n 4. x1 +x2 +x3+....+ xn = -n ...

Evaluate Σp=132 (3p+2)[Σq=110{sin(2qΠ/11)- icos(2qΠ/11)]p ...

Aqueous silver nitrate is treated with successive additions of: (i) an excess of aqueous potassium chloride; (ii) an excess of aqueous ammonia; (iii) an excess of aqueous potassium bromide. Which of the following diagrams rep ...

Ehylene glycol (HOCH2CH2OH) is a low volatility liquid commonly sold as antifreeze to be mixed with water in car radiators. By adding a nonvolatile solute to the water in the radiator, not only is the freezing point of the re ...

If α, β are the roots of the equation x2 + bx + c = 0 then find lim (1 - cos(x2 + bx + c))/(β - x)2 x->β ...

i)AgNO3 when reacted with dilute hypo gives white ppt( A )first then turns black (B) then ...

3 solid hemispheres, each of radius (R) are placed in contact with each other, side by side, such that their flat surfaces rest on the rough horizontal ground . a solid sphere of mass(m) is symmetrically placed on the top of ...

*Image* Based on this above graph , the correct answers are (a) At point ‘A’ ∆G° becomes O for the reaction. (b) Below point A magnesium can reduce alumina above this point. Aluminium can reduce magnesium oxide. (c) Mo ...

PT. 22n*3nis divsible by (6n)!.can anyone do dis by using logic . i mean to say dat can we do dis widout using pen and paper.Nishant bhaiya i thnk u got wat i wantd to say.... ...

1.is (n!)! possible?? 2.we say dat -8! is't possible...bt y is'nt it possible?? 3.the tens digit of 1!+2!+3!+....30! is?? ...

2) Given a subset X = {x1 , x2 , x3, ..............., x n } a subset P of X is formed and set is reconstructed by replacing the elements of P into X and then another subset Q of X is formed. Find the total no. of pair of subs ...

The hybrid state of S in SO3 is similar to that of ...

\lim_{n\rightarrow \infty }(\left(n^{2}-n^{3})^{1/3}+n \right) not my doubt......found it gud ...

let a1,a2,a3.......an be n nos such that each a2 is either 1 or -1....If a1a2a3a4 + a2a3a4a5+................ana1a2a3=0.............then prove 4 divides n[1] ...

if α≠1 α5=1 then value of log√3 mod(1+α+α2+α3- 2/α ) i know we hav to use concept of nth root of unity....but not getting ...

Two squares are chosen at random on a chess board. The probability that they have a side in common is ? ...

NiO is to be reduced to Ni in an industrial process by the use of the reaction NiO(s) + CO(g) ----Ni(s) + CO2(g) at 1600 K the equilibrium constant for the reaction is 600 . if CO pressure of 150mmHg is to be employed in the ...

T/F 1)Molar heat capacity of H2O in equlibrium with at constant pressure is inifnity 2) At constant pressure of 1atm,ice is in equilibrium with water ...

Q1 Suppose a,b be complex nos. and x3+ax+b has a pair of complex conjugate roots then prove bot ha and b are real Q2 If 0<a< b< c< d,then find location of roots of quad eqn f(x)=ax^2+[1-a(b+c)]x+abc-d=0 on number ...

the value of ∫x2+2 /[(x4+5x2+4)tan-1(x2+2)/x dx ............. ...

2 point charges +q and -q are fixed at (a,0,0) and (-a,0,0). A third point charge -q is at the origin. State with reason whether equilibrium is stable, unstable or neutral if it's slightly displaced : a) along X-axis b) along ...

rekha married shyam and had 4 sons .Varsha married ajay and had 4 sons.both couples divorced and after that shyam married varsha while ajay married rekha .they too had 3 sons each from their wedlocks .how many selections of 8 ...

\int_{0}^{\propto}\frac{sinx}{x}dx ===??? ...

find all odd prime numbers p which divide 1p-1+2p-1+3p-1+.....................2004p-1 ...

a ball is dropped onto a horizontal plane from a height h above the ground. if the co-efficient of restetution is e find the total distance traveled before the ball comes to rest? ...

There is a 7 * 11 chessboard placed in front of you. what you have to do is to find the number of rectangles of all shapes and sizes but of odd dimensions(i.e. both the length and breadth have to be odd) !!! ......check out!! ...

1) find the no of right angled triangle with integer sides and inradius 2008 2) evalute this limit \lim_{x\rightarrow \infty }((x-1)(x-2)(x+3)(x+5)(x+10))^{1/5}-x ...

find the sum[1] \frac{3}{1!+2!+3!}+\frac{4}{2!+3!+4!}.................\frac{2008}{2006!+2007!+2008!} certainly not for genius sirs out here[3] ...