# Posts by shubham

Total # Posts: 42

**maths**

Draw a right triangle having hypotenuse of length 5.6 cm and with one of the acute angles 30 degree.

**math**

Suppose 2% of the items made in a factory are defected. Find the probability that no defective in a sample of 50.

**math**

6X=180 X=180/6 X=30. 2x=2x30=60 3x=3x30=90.

**Math**

The angles of a quadrilateral are in the ratio 2:3:7. The mean of these angle is 64. Find all the four angles?

**Math**

x+x+45+2x-5=180 4x+40=180 4x=180-40 4x=140 x =140/4 x=35.. Smallest angle =35 The other is =35+45=80 Third =2X35-5=70-5=65

**science**

What ia the Iupac name of [Cr(CN3)]CL3

**math**

How many bricks of 22 centimetre x 10 centimetre x 7 centimetres are required to construct up a wall 33 metre long 3.5 metre high and 40 centimetre thick if cement and sand used in the construction occupy 110th the part of the wall

**Science**

An artificial satellite circles around the earth at the height where the gravitational force is one fourth of that at earth's surface. If the earth's radius is R the height of the satellite above the surface of the earth is?

**math**

Pramod is 15 years younger than his sister after 5 years he will be half his sister age find the present age

**math**

x+y+z=3

**MATH**

by splliting middle term

**chemistry**

Calculate the freezing point of 1molar aqueous solution (density =1.04g) of kcl (kf for water =1.86)K=39,cl=35.5

**MATH**

AB and CD are two chords equidistant from the center O. OP is the perpendicular drawn from center O to AB. if CD=6 cm. find PB.

**MATH**

If the total surface area of a sphere is 5544 cm 2, find the diameter of the sphere.

**MATH**

A cardboard sheet is of rectanguler shape with dimensions 48m x 36m. From each of its corners,a square is cut off so as to make an open box. if the side of the square of the square is 8m, find the volume and lateral surface area of the box.

**chemistry**

4.90 gram of KCLO3 is heated. it shows a weight loss of 0.384 gram . what is he percent of original KCLO3 which has decomposed .

**physics**

A car A is going north-east at 80km/h and another car B is going south-east at 60km/h. The direction of the relative velocity of A with B makes an angle of x with north find x

**math**

That one is easy 12/3 + 28/9 here take the lcm of the denominators 3 and 9 which comes out to be 9. So make the denominator of 12/3 into 9 by dividing and multiplying it by 3 so 12/3 ¡Á3/3 that is 36/9 now as the dinominator are same add it . Answer 64/9 and now ...

**physics**

ihis is very good one . F=m¡Áa = m¡Ádv/t Thd mas is constant and if the the object stops after hiting then we need the period of contact to find the answer

**math**

a rectangular tank 10inches by 8 inches by 4 inches is filled with water if all of the water is to be transferred to cube shaped tanks each one 3 inches on a side how many of these smaller tanks are needed?

**mathe**

what is the velue of tan 37.5

**Science**

If 1 J of energy is applied to lift an object of 500 kg how high will it rise?

**Science**

The work required to be done to stop a car of 1500 kg moving at a velocity of 60 km/h is?

**Science**

A ball is thrown up and attains a maximum height of 1000 m.It's initial speed was?

**physics**

A particle of mass 10 kg is slowly lifted up to a height of 10 metre then calculate the workdone by external and gravity force ?

**staristics**

what is the pro that 4 eggs are rotten out on 2 dozen egg

**chemistry**

10

**Math**

abcd is a parallelogram with sides ab=12 cm,bc=10 cm and diagonal ac=16 cm .find the area of the parallelogram also find the distance between its shortest sides

**English**

What is the significance of untrodden?

**physics**

Two forces of 5kg wt and 10kg wt are acting at an inclination of 120 o between them. Find the magnitude and direction of resultant force.

**integral calculus**

M (vdu)=M (v2/2-u2/2)

**Math**

How to make a file on cricket match

**statistics**

mean of 11 numbers is 35 if mean of first 6 numbers is 32 and that of last 6 numbers is 37 then what is 6th number?

**math**

36¡ã,72¡ã and72¡ã.

**physics**

What would happen when a bird would fly in a moving train of speed 200km/h

**Chemistry - Periodic Table+Cations(check+help)**

hindi;english;maths chemistry;physics

**science**

what is eukaryotic

**science**

55.5

**science**

what is molality of solution . in which Nacl and H2o have equal moles.

**science**

my first is VAN but not in PAN,my second is EARTH and also in HEAVEN,my third is ONE and not in two,my fourh is in BUN and also in FUN,my last is in STAR but not in RADAR,i am a planet that moves round the sun.name the planet.

**Literature**

what rubbish.

**Maths**

sin(x)+cos(x)=2/3 find the value of sin(x)

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