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*Image* Which of the following isomeric hydrocarbons is most acidic? ...

In triangle ABC if cotA =(x3+x3+x)1/2 , cotB = (x+x-1+1)1/2 and cotC=(x-3+x-2+x-1)1/2 then find the magnitude of angle C. ...

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1) 2 nos. x and y are chosen at random(without replacement) from amongst 1,2,3,...3n.Find the probability that x3+y3 is divisible by 3. ...

1) 7 digits from the nos.1,2,3,...9. are written in a random order. Find the probability that this 7 digit no. is divisible by 9. ...

0.000027^(2/3)=? ...

Find the mass of Cu(NO3)2.3H2O produced by dissolving 10 g of copper in nitric acid and then evaporating the solution. ...

*Image* *Image* *Image* ...

Checkout this book to drastically improve your mental calculation abilities: http://tinyurl.com/bcummathgenius ...

Suppose p(x) is a polynomial and that p(x) - p'(x) = x^2 + 2x +1. Compute p(5). ...

yo boys i am singing song soup song flop song why this kolaveri kolaveri kolaveri di why this kolaveri kolaveri kolaveri di rhythm correct why this kolaveri kolaveri kolaveri di maintain please why this kolaveri..di distance ...

can any one explain me the quantum confinement effect ? ...

if |z| = 2, then find the locus of complex number (a + bz), where a,b E R ...

Please suggest a good book for solving quality calculus problems for JEE preparation. ...

given, y = |x| + |x - 1| + |x - 3| + |x - 6| + .................. + |x - 5151| let m = no. of terms in the expression y and, n = no. of integers for which y has min. value then find the value of m + n - 18/10 ...

The rate of Solvolysis of alkyl halide in 50% aq. ethanol is maximum for *Image* ...

Eva.uate : \int_{-2n}^{2n+\frac 12}{\sin(\pi x)\left\{\frac x2 \right\}} \;\; \mathrm{d}x ...

\hspace{-16}\bf{\sum_{n=1}^{\infty}\;\prod_{r=1}^{n}\cos \left(\frac{r\pi}{n}\right)} ...

1) Find the remainder when (103+93)752 is divided by (12)3. ...

Q In complex [Fe(H2O)5(NO)]2+ , NO molecule is present as : Attempt: The answer given is NO+, But I think here NO is neutral. Q An equimolar mixture of toulene and chlorobenzene is treated with a mixture of Conc. Nitric acid ...

\hspace{-16}$Let $\bf{L=\lim_{n\rightarrow \infty}\frac{1}{\frac{1}{\sqrt{2}}.\sqrt{\big(\frac{1}{2}}+\frac{1}{2}\sqrt{\frac{1}{2}}\big).\sqrt{\big(\frac{1}{2}}+\frac{1}{2}\sqrt{\frac{1}{2}+\frac{1}{2}\sqrt{\frac{1}{2}}...... ...

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If the equation y=1+x-2√x represents a parabola then coordinates of vertex are? Please explain how you solved it! Answer is (1/4,1/4) ...

Can anybody tell what is it exactly is a "zwitterion"? Also can any dipolar molecule can be called as zwitterion???? ...

1 )(6.6.6.6....6)2+(8.8.8.8.8......8)2= where each of the number contain n digits ? 2 ) the sequence 1,2,2,4,4,4,4,8,8,8,8,8,8,8,8........where n consecutive terms have the value n then 1025th term is ? plz kindly post detail ...

Well ,the title is obvious. Any thing to share. Personally, I feel that this year's paper was DIFFICULT than the Previous years one. The questions which were doable were lenghtly (not all I mean) and some were really outsmart ...

I have posted this write up on facebook... You can have a look if you want... To be able to see it you need to like this page first (the story has been posted in this page): http://www.facebook.com/i4s.co.in Then the link to ...

\hspace{-16}$ The number of triples of integers $\bf{(x, y, z)}$ satisfying\\\\ $\bf{x^2 + y^2 + z^2-yz-zx-xy = x^3 + y^3 + z^3}$ is... ...

How many common points can 3 or more planes have? ...

\hspace{-16}$Determine all values ​​of $\bf{x}$ such that for all $\bf{x}$ at least one of $\bf{f(x) = x^2 +2012 x + b}$\\\\ or $\bf{g(x) = x^2 + b-2012x}$ positive. ...