Monday

January 16, 2017
Total # Posts: 35

**quantitative methods**

If for a Poisson variate x,P(x=0)=P(x=1) = k, prove that k=1/e. Lesson name Poisson distribution

*November 10, 2016*

**quantitative methods**

A six faced is so constructed that the probability of getting an even number is twice the probability of getting an odd number. Find the probabilities that out of 5 trials (1)all the five will give even numbers (3)2 or 3 trails will give even numbers ....find by binomial ...

*November 7, 2016*

**science**

advantages and disadvantages of difusion

*July 13, 2016*

**Maths**

In an exhibition , an umbrella is made by stitching 8 triangular pieces of cloth with some message written on two triangular pieces . If each piece measures 26 cm , 26 cm and 12 cm . Find how much cloth is required for each message.

*June 30, 2016*

**physics**

Si unit of specific inductive capacity?

*May 26, 2016*

**science**

Does sodium nitrate turn the phenolphthalein indicator pink ?

*May 26, 2016*

**math**

The length of the wire will be equal to the circumference of four semicircles that were made from it. So, if the diameter of one semicircle is 32 cm, then the radius is = 32/2 cm = 16 cm. Now, the circumference of a circle is 2*(pi)*(radius). Here we have a semi-circle, so its...

*May 7, 2016*

**math**

The answer is ant=46. If you are interested in finding out the steps through which we arrived at this answer, please email me at testemailfordg2(at)gmail(dot)com

*May 7, 2016*

**chemistry**

What is the volume of 3.11×10 to the power 23. Molecules of NH3 at S.T.P

*April 14, 2016*

**maths**

How can we find the g.p h.p

*April 1, 2016*

**science**

Why it is important to know the history of science in 300 words?

*February 19, 2016*

**commerce**

fixed cost is 40000 and variable cost are 60 percent of sales. If sales decrease by 20 percent then what is break even point?

*October 9, 2015*

**Physics**

The resultant of two vectors a and b is perpendicular to the vector a and its magnitude is equal to the half magnitude of vector b the find angle between a and b

*August 13, 2015*

**Maths**

Let x be the no. of questions I got right and y be the no. of question I got wrong. So, x+y=40........(1) & 4x-2y-21=25 4x-2y=46 2x-y=23........(2) comparing equations (1) and (2) 3x=63 x=21......(3) putting the value of equation (3) in equation (1) 21+y=40 y=19 So, 21 ...

*November 18, 2014*

**math**

in a isosceles triangle if two equal sides are 3.5 meter each.how long is third side?

*October 11, 2014*

**Adverb objects 2 Check please**

yes

*September 19, 2014*

**Delft Solar Cell**

Consider a crystalline PV module with the following output parameters mentioned at STC (Standard Testing Condition) conditions by the manufacturer. Pmax = 250W Voc = 50V Isc = 6A NOCT = 40°C Temperature coefficient of power = -1W/°C a) If the ambient temperature falls ...

*November 25, 2013*

**chemistry**

lowest+freezing+point+of+Kbr+AlNO33+CH3COONa+NaNO2+MgCl2+of+same+molality

*March 29, 2013*

**geometry**

The angles in triangle ABC satisfy 6sin∠A=3√3sin∠B=2√2sin∠C. If sin2∠A=a/b, where a and b are coprime positive integers, what is the value of a+b?

*March 18, 2013*

**geometry**

ABCD is a parallelogram. Let C′ be a point on AC extended such that the length of AC′=1.2AC. Let D′ be on the segment BD such that the length of BD′=0.9BD. The ratio of the area of the quadrilateral ABC′D′ to the area of the parallelogram ...

*March 18, 2013*

**SCIENCE**

AT WHAT HEIGHT ABOVE THE EARTH'S SURFACE DOES THE ACCELERATION DUE TO GRAVITY FALL TO 1% OF ITS VALUE AT THE EARTH SURFACE

*December 9, 2012*

**math**

The sum of 4 term of an G. P. Is 15/32 and sum of infinite term of same G.P. Is equal to 1/3

*September 15, 2012*

**Maths**

what is the integration of dx/Cos^4(x)

*September 7, 2011*

**Physics**

Find the average velocity of a projetile between the instants it crosses half the maximum heght.It is projected with a speed u at an angle ø(thita) with horizontal.

*August 4, 2011*

**Science**

how many gram of oxygen in persent in 36 gram of water?

*July 20, 2011*

**physics**

In this concept a=force/mass.if mass is doubled the a will be half according to first a.

*July 14, 2011*

**mathematics**

find the maximum value of √3 cosθ-sinθ.???

*May 24, 2011*

**mathematics**

if sin a=0.5 then find the value of cos3a

*May 24, 2011*

**oscillation nad waves**

find the equivalent spring constant for a system of two spring of constant k 1 and k2 connected in series .use your result to explain to explain what happens when a sprin g of constant k is cut into two equal halves

*April 27, 2011*

**math**

200

*January 29, 2011*

**Math**

Two sums of money are proportional to 8:9.n if the first is 20/- the other is

*January 22, 2011*

**Math**

Rectangular plate is 6m wide and 12m long two holes of 2diameter have been gay cut in plate calculate the are of remaining plat?

*December 6, 2010*

**Geometry**

Perimeter of a right angled trangle is 40 cm. Hypotenus is 17cm. Find the area. Urgent help required. Thanks in advance

*March 7, 2010*

**GEOGRAPHY**

EXPLAIN THE SEX RATIO?

*July 20, 2008*

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