Recent questions tagged q10

Using Binomial Theorem, indicate which number is larger $(1.1)^{10000}$ or $1000$.

asked Apr 10, 2014 by balaji.thirumalai

1 answer

Find the derivative of $ \cos\: x$ from first principle.

asked Apr 9, 2014 by thanvigandhi_1

1 answer

Find the equations of the hyperbola satisfying the given conditions: Foci: $(\pm 5, 0)$, Transverse Axis is of length $8$.

asked Apr 8, 2014 by balaji.thirumalai

1 answer

In a large building, there are $15$ bulbs of $40 \;W$, $5$ bulbs of $100\; W$, $5$ fans of $80\; W$ and 1 heater of $1\; kW$. The voltage of the electric mains is $220\; V$. The minimum capacity of the main fuse of the building will be

asked Apr 7, 2014 by meena.p

1 answer

Evaluate the following limits $ \lim\limits_{\large z \to 1} \large\frac{\large z^{\large\frac{1}{3}}-1}{z^{\large\frac{1}{6}}-1}$

asked Apr 3, 2014 by thanvigandhi_1

1 answer

Find the equation of an ellipse that satisfies the following conditions: Vertices $\;(\pm5,0)$, Foci $\;(\pm4,0)$

asked Apr 2, 2014 by balaji.thirumalai

1 answer

Find the equation of the parabola that satisfies the given conditions: Vertex $(0,0)$ and Focus $(-2,0)$

asked Apr 1, 2014 by balaji.thirumalai

1 answer

Find the equation of the circle passing through the points $(4,1)$ and $(6,5)$ and whose centre is on the line $4x+y=16$

asked Apr 1, 2014 by balaji.thirumalai

1 answer

The sum of three numbers in G.P. is $56$. If we subtract $1,7,21$ from the numbers in that order, we obtain an A.P. Find the numbers.

asked Mar 30, 2014 by rvidyagovindarajan_1

1 answer

Find the sum of $n$ terms of the series whose $n^{th}$ term is $(2n-1)^2$

asked Mar 27, 2014 by rvidyagovindarajan_1

1 answer

Which of the following bases is not present in DNA?

asked Mar 27, 2014 by thanvigandhi_1

1 answer

Evaluate: $\large \int \limits_0^1$$ x\;e^{x^2}\; dx$

asked Mar 21, 2014 by balaji

1 answer

Which of the following amines can exhibit enantiomerism?

asked Mar 21, 2014 by thanvigandhi_1

1 answer

In extraction of iron $Fe_2O_3$ is reduced by

asked Mar 17, 2014 by meena.p

1 answer

For an exothermic reaction, which of the following is always $ < 0$

asked Mar 15, 2014 by thanvigandhi_1

1 answer

How does the strength of the charge-charge interaction between two ions depend on the separation in the absence of any other ions?

asked Mar 10, 2014 by sreemathi.v

1 answer

Which of the following polymer is a copolymer?

asked Mar 6, 2014 by thanvigandhi_1

1 answer

The reduction of nitro benzene with $Zn/NH_4Cl$(aq) gives

asked Feb 28, 2014 by sreemathi.v

1 answer

Find the sum of $n$ terms of the G,P, $x^2,x^4,x^6...........$ in terms of $x$

asked Feb 26, 2014 by rvidyagovindarajan_1

1 answer

If the sum of first $p$ terms of an $A.P.$ is equal to sum of first $q$ terms, then find the sum of first $p+q$ terms of the $A.P.$

asked Feb 23, 2014 by rvidyagovindarajan_1

1 answer

Which of the following compound will exhibit geometrical isomerism.

asked Feb 20, 2014 by meena.p

1 answer

The haloform reaction is not shown by the compound

asked Feb 19, 2014 by sreemathi.v

1 answer

Find $a_{20}$ if $a_n=\large\frac{n(n-2)}{n+3}$

asked Feb 18, 2014 by rvidyagovindarajan_1

1 answer

What is the mole fraction of benzene in solution containing 20% by mass in $CCl_4$?

asked Feb 12, 2014 by sreemathi.v

1 answer

As the temperature is raised from $20^{\large\circ}C \;to \;40^{\large\circ}C$ , the average kinetic energy of neon atoms changes by a factor.

asked Feb 12, 2014 by sharmaaparna1

1 answer

Find the equation of line which is parallel to $3x-4y+10=0$.Also find such line through the point (2,2)?

asked Feb 4, 2014 by sreemathi.v

1 answer

2 separate reservation of oil A and B (capacity of $A=2 \times $ capacity of B) are filled completely with oil and oil is released simultaneously from both the reservoirs. The rate of flow of oil out of each reservoir at an instant of time is proportional to the quantity of oil in the reservoir at that time one hour after the oil is released the quantity of oil in reservoir A is 1.5 times the quantity of oil in reservoir B. If the reservoirs have same quantity of oil after $t= \large\frac{\log a}{\log b -\log c}$ then $a+b-c$

asked Feb 3, 2014 by meena.p

1 answer

IUPAC name of $K_3[Fe(CN)_6]$ is

asked Jan 31, 2014 by sreemathi.v

1 answer

What is intensity of electric field in the depletion region of which $2.5 \times 10^{-7} m$ if the potential barrier is $0.50 v$

asked Jan 27, 2014 by meena.p

1 answer

Metal which emits photo electrons very easily is

asked Jan 27, 2014 by sreemathi.v

1 answer

S1 : The function $f(x)=|x|$ is not one-one.\[\] S2: The negative real numbers are not the images of any real numbers. \[\] If the statement S1 holds true then,

asked Jan 23, 2014 by thanvigandhi_1

1 answer

The radioactive isotope of hydrogen is

asked Jan 22, 2014 by sreemathi.v

1 answer

If Susan does not like spinach, what is the truth value of the statement "Susan likes ice cream and she like spinach."?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Which of the following gas responsible for Bhopal gas tragedy

asked Jan 20, 2014 by sreemathi.v

1 answer

The statement $ "x \gt 5\: or\: x \lt 3"$ is true if x equals

asked Jan 17, 2014 by thanvigandhi_1

1 answer

The pair having identical value of $\large\frac{e}{m}$:

asked Jan 9, 2014 by sreemathi.v

1 answer

A and B are two independent events. The probability that both A and B occur is $ \large\frac{1}{6}$ and the probability that neither of them occurs is $ \large\frac{1}{3}$. Then the probability of the two events are respectively

asked Jan 8, 2014 by thanvigandhi_1

1 answer

If $ E_1$ denotes the event of coming sum 6 in throwing two dice and $E_2$ be the event of coming 2 in any one of the two, then $ P(E_2/E_1)$ is

asked Jan 6, 2014 by thanvigandhi_1

1 answer

There are 9999 tickets bearing numbers 0001, 0002, ..... 9999. If one ticket is selected from these tickets at random, the probability that the number on the ticket will consists of all different digits is :

asked Jan 2, 2014 by thanvigandhi_1

1 answer

Find the sum of the series -1 + 4 - 9 + 16 - 25 +-----+ 4008004.

asked Dec 31, 2013 by yamini.v

1 answer

The equation of the plane passing through the line of intersection of the planes $x+2y+3z-2=0\:\:and\:\:x-y+z-3=0$ and which is at a distance of $\large\frac{2}{\sqrt 3}$ units from $(3,1,-1)$. is ?

asked Dec 26, 2013 by rvidyagovindarajan_1

1 answer

There exist a function $f(x)$ satisfying $f(0)=1$, $f'(0)=-1$, $f(x) > 0$ for all $x$

asked Dec 20, 2013 by sreemathi.v

1 answer

A shell of mass 200 gm is ejected from a gun of mass 4 kg by an explosion that generates 1.05kJ of energy . The initial velocity of the shell is :

asked Dec 14, 2013 by thanvigandhi_1

0 answers

Consider the following first order types of $Rx_n$ $x\;\; \underrightarrow {K_1}\;\;A+B,y\;\;\underrightarrow {K_2}\;\;C+D,z\;\;\underrightarrow{K_3}\;\; E+F$ if $50\%$ of $Rx_n$ y was completed when $7.5\%Rx_n$ of x and $87.5\%Rx_n$ of z completed then relation between $K_1,K_2$ & $K_3$

asked Dec 13, 2013 by sreemathi.v

1 answer

Integrate: $\int \limits_0^{\frac{z}{2}} \sin ^4 x \cos ^6 x dx$

asked Dec 12, 2013 by meena.p

1 answer

In the calomel half cell,the reduction $rx_n$ is

asked Dec 10, 2013 by sreemathi.v

1 answer

Failure of gametangial fusion in Rhizopus lends to the formation of

asked Dec 6, 2013 by thanvigandhi_1

0 answers

The bond energy (in kcal/mol) of C-C single bond is approximately

asked Dec 6, 2013 by sreemathi.v

1 answer

In allene, hybridization of the central and terminal carbons, respectively, are

asked Dec 6, 2013 by sreemathi.v

1 answer

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