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lim sin[x]/[x] as x→0 ...

A and B toss a coin each alternatively.The first person to toss 5 heads wins.Find the chances of A winning if he starts the game? ...

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\hspace{-16}$Is there is any Natural no. $\bf{n}$ which end with exactly ........\\\\ $\bf{(i)\;\; 2013-}$ zero,s.\\\\ $\bf{(ii)\; 2014-}$ zero,s.\\\\ $\bf{(iii)\; 2015-}$ zero,s.\\\\ ...

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if f(x)= 1/3 (f(x+1)+ 5/f(x+2) ) and f(x)>0 and finite for all x belonging to R,then limx→∞ f(x) is a) 2/5 b) 5/2 c) 10 d)0 ...

SOLVE dy/dx=1/(x^2+y^2) ...

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Of 3n+1 objects, n are indistinguishable, and the remaining ones are distinct. Find the number of ways to choose n objects from them. ...

2n players are participating in a tennis tournament. Find the number Permutation of pairings for the first round ...

Will C Cl4 give white precipitate of Ag Cl on heating it with Ag NO3? ...

\hspace{-16}$If $\bf{a+b=8}$ and $\bf{ab+c+d=23}$ and $\bf{ad+bc=28}$ and $\bf{cd=12}$.\\\\ Then value of \\\\ $\bf{(i)\;\;\;a+b+c+d=}$\\\\ $\bf{(ii)\;\;ab+bc+cd+da=}$\\\\ $\bf{(iii)\; abcd=}$ ...

\hspace{-16}$Let $\bf{S = \{1,2,3,4,5\}}$. Then the no. of unordered pairs $\bf{\{A,B\}.}$\\\\\ of Subsets of $\bf{S}$ such that\\\\ $\bf{(i)\;\;\;\; A\cap B=\phi}$. Where $\bf{A\neq B}$\\\\ $\bf{(ii)\;\;\;\; A\cap B=S}$. Whe ...

How does (CH3)3C-O-CH3 reacts with conc.HI and anh.HI seperately? I mean will the products be different or same..and what will be the products? ...

point out the more stable enol... A) Ph-C(OH)=CH-COOEt B) CH3-C(OH)=CH-C≡N ...

Which of the following has the most acidic hydrogen? (a) 3-hexanone (b) 2,4-hexanedione (c) 2,5-hexanedione (d) 2.3-hexanedione ...

find the minimum value of th modulus of the sum of all 6 trigo functions.. ...

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If electrons r considered to behave like waves in The Schrodinger Wave equation then The electron waves must encompass the entire nucleus.The the wave will be present everywhere outside the nucleus , enveloping it completely. ...

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\hspace{-16}$Total no. of positive divisers of $\bf{226894500}$ which are is in the form of\\\\ $\bf{(i)\;\;(4n+1)\;\;,}$ Where $\bf{n\in \mathbb{N}}$\\\\ $\bf{(ii)\;\;(4n+2)\;\;,}$ Where $\bf{n\in \mathbb{N}}$\\\\ $\bf{(iii) ...

\hspace{-16}$Minimum value of $\bf{n\in\mathbb{N},}$ whic has ......\\\\ $\bf{(i)\;\; 16-}$ divisers.\\\\ $\bf{(ii)\;\; 19-}$ divisers.\\\\ $\bf{(iii)\;\; 24-}$ divisers.\\\\ $\bf{(iv)\;\; 25-}$ divisers.\\\\ $\bf{(v)\;\; 26- ...

find tan10.tan70.tan30 ...

\hspace{-16}$The no. of divisers of the form $\bf{12\lambda+6(\lambda\in \mathbb{N})}$ of the no. $\bf{25200}$ ...

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How many 7 digit integers can be formed whose digit sums to 10 and has the digits 1,2 and 3 only (a)66 (b)55 (c)77 (d)88 ...

(sin4x/2)+(cos4x/3)=1/5 Then... (a)tan2x=(2/3) (b)tan2x=(1/3) (c)(sin8x/8)+(cos8x/27)= 1/125 (d) B and C (e) A and C (f) None ...

An object weighs 7.84 N when it is in air and 6.86 N when it is immersed in water. What is the specific gravity of the object? ...

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Let U1 and U2 be two urns such that U1 contains 3 white and 2 red balls, and U2 contains only 1 white ball. A fair coin is tossed. If head appears then 1 ball is drawn at random from U1 and put into U2. However, if tail appea ...