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sum of numbers of using digits 1 2 3 4 and also find the same for 2 0 3 1 and 2 2 0 1 i actually wanna know the concept how we proceed ..... ...

plot the graph y2=(x-1)(x-2)(x-3) ...

^{238}_{92}U is radioactive and it emits alpha and beta particles to form ^{206}_{82}Pb . Calculate the number of alpha and beta particles emitted in this conversio. An ore of ^{238}_{92}U is found to contain ^{206}_{82}Pb an ...

The line 6x+8y=48 intersects the coordinate axes at A and B respectively. A line L bisects the area and the perimeter of the triangle OAB where O is the origin. Find the slope of this line. Options are: (a) \frac{10+5\sqrt{3} ...

An Ester A(C4H8O2) on treatment with excess methyl chloride followed by acidification, gives an alcohol B as the sole organic product. Alcohol B, on oxidation with NaOCl followed by acidification, gives acetic acid. Deduce th ...

a metre bridge is used to determine d resistance of an unknown wire by measuring d balance point L.if d wire is replaced by another wire of same material with double d length n half d thickness d balancin point is expected to ...

1) *Image* ...

Q1 f(x)=e1/(x-1) Q2 y2=(x2-a2)/x2 ...

EK AUR DBT FRM 2007 PAPER 2!!! PL. SEE *Image* 2) two pt. charges onne +ve and other -ve OF same magnitude are placed at (0,0,a/2) and (0,0,-a/2) respectively. Find work done by the electric field wen another +ve pt. charge i ...

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how to find the total no of fringes in an interference pattern in YDS ...

q1)the ka1=5.6x10-2 ka2=6.2x 10-5 ksp=3.5x10-11 for oxalic acid,the solubility of this acid in a aqueous solution of ph=5.0 is a)9.9x10-3 b)10-2 c)10-4 d)9.9x10-5 ...

q4)minimum value of [ (x 1-x 2)2+ (12 + (1-x1 2)1/2 - 2√x2 )2 ]1/2 is a)4√5+1 b)4√5-1 c)√5+1 d)√5-1 ...

the ionization potential of hydrogen atom is13.6eV,if an h_ atom in ground state is excited by a monocromatic radiation of 12.1eV,then the no of sprectral lines aCCORDING TO BOHR'S THEORY WILL BE a)1 b)2 c)3 d)4 ...

from a point (sinθ,cosθ)if three normals are drawn to the parabola y2=4ax,then the value of a is: a)(1/2,1) b)[-1/2,0] c)[1/2,1] d)none ...

An ester (A)with M.F C9H10O2 is treated with excess of RMgX and the complex is treated with H2SO4then compound (B)(an olefin) is formed wich on ozonolysis gives ketone with C8H8O.Now what is compound (A) ...

given that f is an odd function with peroid 2 and continuous fr all x an g(X)=0∫xf(t) dt,then a)g(x) is an odd function b)g(2n)=1 c)g(2n)=0 d)none ...

in CO wat will be the direction of coordinate bond and wat is the method to find it ...

Three concentric metallic shells A,B, C of radius a,b,c a< b <c have surface chrge densities of σ,-σ, σ respectively Find the potential of the three shells A,B, C if shell A and C have the same potential then find th ...

atoms with nearly filled shells of electrons have greater electronegativity than those with sparsely occupied shells .. why ????????? ...

Benzene Root Map *Image* ...

ques- PF3 CAN ACT AS A DONOR MOLEULE WHEREAS NF3 SHOWS LITTLE TENDENCY TO DONATE.ACCOUNT FOR THIS FACT. ITHINK THAT IN PF3 ELECTRON PAIR IS EASILY DONATED AS PHOSPHORUS IS LARGER IN SIZE THAN NITROGEN.IS THIS EXPLANATION CORR ...

HELLO EVREYONE i ned the iit 09's part test solutions of brilliant tutorial. PLEASE help me. I dunt find it in their site. if u hv saved it in ur pc, plase mail it to me at paromita89@gmail.com . I only need the solutions of ...

find the no of ways...in which 18 identical balls can be used in 15 different cricket matches ...

NH3(AQ) REACTS VERY EASILY WITH Cu2+,IF ACID IS ADDED TO NH3(AQ),there is no reaction.explain. ...

*Image* *Image* ...

A:Work done by the engine of the car is equal to the change in its K.E. B:Internal forces can increase the K.E. of the system (i)Both true,B is the correct explanation of A (ii)Both true B is not the correct explanation of A ...

Which of the following statement for order of reaction is not correct? A) order can be determined experimentally B) order of reaction is equal to sum of the powers of concentration terms in differential rate law C) It is not ...

A small light pulley is attached with a block C of mass 4kg as shown. A block of mass 1.5kg is placed on the top horizontal surface of C. Another block A of mass 2 kg is hanging from a string, attached with B and passing over ...

Pls Tell me some good books for maths.I am very puzzled as i am getting too many suggestions from too many sources.And i am too confused which book to buy for which topic.And this is quite urgent as i am going to shop tomorro ...