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How many squares are ther in a chess board????? ...

Trick 1 : Multiply any two numbers from 11 to 20 in your head. Take 15 x 13 for example... Place the larger no. first in your mind and then do something like this Take the larger no on the top and the second digit of the smal ...

Beauty of Mathematics Sequential Inputs of numbers with 8 1 x 8 + 1 = 9 12 x 8 + 2 = 98 123 x 8 + 3 = 987 1234 x 8 + 4 = 9876 12345 x 8 + 5 = 98765 123456 x 8 + 6 = 987654 1234567 x 8 + 7 = 9876543 12345678 x 8 + 8 = 98765432 ...

find all functions f:R+→R+ such that f(x+f(y))=f(x+y)+f(y) for all x,y belonging to R+ ...

Eudiometry Absorbent gas(es) absorbed KOH CO2, SO2, Cl2 Ammon Cu2Cl2 CO Turpentine oil O3 Alkaline pyrogallol O2 Water NH3, HCl CuSO4/CaCl2 H2O ...

Extended Periodic Table *Image* *Image* ...

We will block all accounts which have fake/ bouncing emails. Till now what I have been doing is to rename those emails with "fakeemail@targetiit.com" Please take corrective measures by going to the account settings. Cheers. ...

Q1) A 35 mm slide with a 24 mm*36 mm picture is projected on a screen placed 12 m from the slide.The image of the slide picture on the screen measures 1.0 m *1.5 m.Determine the location of the projection lens, and its focal ...

If mod(z)=1, then prove that the points represented by√(1+z)/(1-z) lie on one or other of two fixed perpendicular lines ...

Enter into the World of Superb photography *Image* *Image* *Image* *Image* *Image* ...

da pblm is 25n+1/4 { 2x+3} let f(X)=∫ e dx , where {x}denotes da fractional part ...da qn is easy but i dunno wer i went wrong 3 ...

ITS A COMPREHENSION TYPE QUESTN *Image* *Image* answer : coming soon..... ...

if 1/x3(x+2) = A/x+B/x2+C/x3+D/(x+2) then value of |1/A 1/B | |1/D 1/C | ...

TOTAL NUMBER OF ELECTRONS: 10 11 12 13 14 15 16 17 18 1 1.5 2 2.5 3 2.5 2 1.5 1 <--- BOND ORDER D P P P D P P P D D ----> Dimagnetic P------> Paramagnetic the bond order calculated by the formula will always give you ...

PROVE THAT The external center of similitude of three circles are collinear. ...

Today's Question of Open test(FIITJEE AITS) Let f(x) be a polynomial function of degree 4 satisfying.. (1∫xA(t)B(t)dt)(1∫xC(t)D(t)dt)-(1∫xA(t)C(t)dt)(1∫xB(t)D(t)dt)=f(x) where A(x) B(x) C(x) D(x) are non constant cont ...

RANGE OF 16-x C 2x-1 + 20-3x C 4x-5 is (a) [728 , 1474] (b) {728 , 1474} (c) {0,728} (d) none ...

If a+2b+c=4 .... a,b,c ξ R then max(ab+bc+ca)=? ...

f(x,y) = x2-y2+2x+4y-12 ok ? .this is the curve or anything ! [4] NOW, IF r is the radius of the circle which touches the curve f(x,y)=0, y=x+1 and y=-x+3, then the least possible value of 'r' (in units) approximately is WHAT ...

If the roots of the equation x2+ax+b=0 are c and d, then one of the roots of the equation x2+(2c+a)x+c2+ac+b=0 is ??? a)0 b)-2c-a c)d-c d)None of these ...

http://targetiit.com/iit_jee_forum/posts/probablity_again_2003.html the 1st question in this link ...

can the formation of the virtual and real image can be explained by wave theory if so pls explain ...

STRAIGHT LINES ARE DRAWN by joining m points on a straight line to n points on another line. then excluding the given points , find the points of intersection of the lines drawn ...

A rod of glass μ=3/2 and of square of cross section is bent into the shape shown in *Image* A parallel beam of light falls perpendicularly on the plane flat surface A.Referring to the diagram,d is the width of the side and R ...

Guys, I'm all at sea with concepts on impulse. Pls explain what impulse is and then give formulas related to it. Pls guys. Thanx in advance [1] ...

What is rolling friction? ...

two balls of masses A and B , M=9g and m=3g is attached by the the=reads to a point O such that (OA+OB) length is 1m The system is set into rotational motion in a horizontal plane about the vertical axis passing through O wit ...

Dalton’s atomic theory 1. Matter consists of individual atoms. 2. All the atoms of a given element have identical properties including identical mass. Atoms of different elements differ in mass. 3. Compounds are formed when ...

Draw the graph between reactance and frequency in a series LC circuit ...

*Image* ...