Recently Active Questions

using graphs or otherwise, find the number of solutions of log10x = sin x (someone asked this to me yesterday) ...

*Image* A cat starts from a point A and heads straight for a point P with a constant speed v, while at the same instant a dog starts running after after the cat with a constant speed u from a point B such that his velocity is ...

An easy one after a long long time? y = sin (3x) + cos (2x) ...

p, q, r are the roots of ax^3+bx^2+cx+d=0 find the cubic equation whose roots are p^3+\frac{b}{a}\times p^2, q^3+\frac{b}{a}\times q^2 \text{ and } r^3+\frac{b}{a}\times r^2 This one is from FIITJEE AITS.. ...

*Image* the orange dot is the center of the cube and its the origin the charge is at the point (2a,0,2a) ...

The area that is outside the square |x| + |y| ≤1 and inside the circle x^2 + y^2 =1, is given by: (a) Π- 3 (b) Π- 2.5 (c)Π- 1 (d)Π- 2 ...

Half lives of two uranium samples U238 and U235 are known to be 4.5 *10^9 and 7.1*10^8 yr ,respectively .if the earth was formed with equal amts of the two isotopes estimate the current age of the earth given that uranium ore ...

1) Which of the following concentrations of NH4 + will be sufficient to prevent the precipitation of Mg(OH)2 from a solution which is 0.01 M in MgCl2 and 0.1 M NH3 (aq). Given that Ksp of Mg (OH)2 = 2.5 x 10-11 and Kb for NH3 ...

Identify A,B & C in the following Conversion - *Image* ...

http://entrance-exam.net/iis-2009/ ...

the sum is there is a point charge of +2.4 micro C located at the origion..... find the work done in displacing a 2nd pnt charge of q=4.30micro C from x=0.150 y=0 to x=0.250 to y=0.250 my doubt is that we can first easily sov ...

sorry dudes but i am posting a lot of questins these days it is due to phyiscs olympaid which is on sunday Mercyry is poured into a you tube in which the cross sectional area of the left limb is 3 times smaller than the right ...

*Image* 1st is hydroboration oxidation 2nd is oxymercuration-demercuration ...

Ques) The equation (x2-a2) 2 + (y2-b2) 2 = 0 represents points (a) which are collinear (b) which lie on a circle with centre at (0,0) (c) which lie on a circle with centre at (a,b) (d) none of the above ...

Shapes of Nitrile and Nitrite are: A]Linear and Angular B]Angular and Linear C]Both Angular D]Both Linear ...

Integrate \int \frac{1}{1+\cot x} \ dx ...

Express the Determinant below as a polynomial in alpha's \begin{bmatrix} 1 & \alpha_1 & \alpha_1^2 & \dots & \alpha_1^{n-1}\\ 1 & \alpha_2 & \alpha_2^2 & \dots & \alpha_2^{n-1}\\ 1 & \alpha_3 & \alpha_3^2 & \dots & \alpha_3^{ ...

An easy one after a long long time? y = sin2(x) + sin (x) ...

nishant sir where are u these dayz.... we need u here sir... many questions are unsolved... and we miss ur question of the days and graphs..... atleast i do.... ...

1 Three distinguishable dice are rolled. In how many ways can we get a total of 15. answere is 10 2 Rearrangements : In a match the column question. Column I has 10 questions and column II has 10 answeres written in arbitary ...

\sum_{i=0}^{\infty}{\sum_{j=0}^{\infty}{\sum_{k=0}^{\infty}{\frac{1}{3^i3^j3^k}}}}=?? ...

Boiling points of noble gases are illustrative of operation of which type of forces? A]ion-dipole B]dipole-induced dipole C]ion-induced dipole D]London dispersion forces Can any one provide me any links related to theories of ...

Arrange acc to degree of Covalency NaCl MgO AgCl CsCl ...

Which consists only Network solids? SiO2 , P4O10 P4O10 , SO3 P4O10 , P4O6 Diamond, SiO2 ...

Phosphorus Pentachloride in solid exists as: A]PCl5 B]PCl4-Cl- C]PCl4- PCl6- D]PCl5.Cl2 ...

Correct order of Dipole Moment? CH4 NF3 NH3 H20 ...

What is structure of Diborane? What is 3 centre 2 electron Bond?How many of them are in Diborane? ...

Molecule that has max number of non bonding e's XeOF4 XeO2F2 XeF3- XeO3 ...

what is the equation of circle which pass thrugh the points A(-1,4), B(1,2) and which touch the line 3x-y-3=0???? ...

The no. of ways in which a score of 11 can be made from a throw by 3 persons, each throwing a die once is : A)45 B)18 C)27 D)68 Ans : C NO USE OF MULTINOMIALS PLEEEEEEAAAASE ...