# Posts by sonu

Total # Posts: 40

**Math**

Mrs. Renu wants to deposit a regular amount at the beginning of each quarter for 3 years. The bank pays interest @ 8% per annum. Find the quarterly deposits if Mrs. Renu will get Rs. 40000 at the end of 3 years.

**mathematical methods for economics**

in a class of 300 students,they were given mathematics test in three subjects namely,economics,statistics and mathematics,90 students failed in economics,100 failed in statistics,96 failed in mathematics,60 failed in economics and statistics,64 failed in statistics and ...

**Science**

0.745 g of kcl disloved in 100 ml of water,then molarity?

**math**

The denominator of a fraction exceeds the numerator by 1.if 2 be taken from each ,the sum of the reciprocal of the new fraction and 4 times the original fraction is 5 .find the original fraction?

**Science**

Arun has prepared 0.01 percent of solution of sodium chloride in water .Clculate mass of solute and mass of solvent.

**Math**

Diameter and length of a roller are 84cm and 120cm .In how many revolutions can the roller level the playground of area 1584m²?

**Science**

If 100 bacteria get into our body and reproduce every 20 minutes how many will there be in 2 hours? Search answer.

**Science**

If 100 bacteria get into our body and reproduce every 20 minutes how many will there be in 2 hours?

**gk**

2/3 OF STUDENTplay piano 1/2 of the students who play the piano also play the violin 1/4 of those students also play flute what fraction of students plays all three instruments

**maths**

a stone is dropped into a well 44 meter deep and the sound of speash is heared after 3.12 second find the speed of sound air

**physics**

A Second's pendulum is suspended from the roof of a lift.What will be the time period of the Pendulum if the lift is moving up with an acceleration of 2m/sec^2

**chemistry**

if all the sulphur atoms from 9.8 kgh2so4 are removed and converted to s8 than how many moles of s8 can be prepared?

**chemistry**

if+all+nitrogen+atoms+from+.1+mole+No2+and+.2+N2o4+are+removed+then+how+many+moles+of+n2+can+be+prepared+from+it

**science**

find the mole fraction of sodium in 25% by massof sodium amalgum

**math**

Sin 3x=3 sin x-4 sin^3 x

**maths**

-56/65

**bege101**

write a passage using rhetorical devices on a person ,idea or ideology in about 300 words

**algebra**

If dx=-18 and D=3 are the values of certain simultaneous equation in x and y. What is the value of y

**trig**

Find the smallest positive value of x(in degree) for which tan(x+100°)=tan(x+50°)*tanx*tan(x-50°)

**math**

Find all the points om the parabola y^2=8x, whose focal distace is 4.

**math**

An equitorial triangles is inscribed in the parabola y^2=4ax, where one vertex is vertex of parabola. what will be the length of the side of triangle?

**math**

if the line y=1.732(x-1.732) cuts the parabola y^2=x+2 at the point A and B. find PA.PB, where P is the point where line cuts the x-axis.

**math**

find whether the line 2x-y=0 is tangent, real chord on imaginary chord to the parabola y^2-2y+4y=0.

**math**

find whether the point (2,10/3) lie inside or outside the parabola 2x-x^2+3y=0.

**math**

if one point of a focal chord of a parabola x^2-8y=0 is (-4,2), what will be the other end of the focal chord.

**math**

what will be equation of latus rectum of parabola x^2-2x+4y=0.

**math**

if equation of directrix of a parabola is 2x+3=0, axis is 2y-3=0 and length of latus rectum is 6 then what will be the focus?

**math**

what will be the focus and directrix of parabola y*y = -16x.

**physics**

A man running horizontal road with velocity 8 km/hr. Find the rain falling vertically downward direction. When he increases speed to 12 km/hr he find rain drops are falling at an angle 30' with downward vertically. What will be the velocity of rain?

**physics**

A man starts running a race with velocity v. in the begining of race he finds wind is blowing at an angle alpha with the track. As he progress straight horizontal road wind appears to rotate uniformly and by the gime he completes the race wind appears to rotate by an angle ...

**Physics**

A train compartment of size 4m and 3m is moving on a horizontal track. A man fires a shot from outside with a velocity 10 m/s at an angle 53' with the track. A person sitting inside the compartment observe the bullet one corner to diagonally uposite coner. What will the ...

**physics**

A prmjectile is lanched on horizontal plane. Variation of slop of trajectory of projectile. Where m=0 to 1 and t=0 to 10 s. What will be horizotal range?

**physics**

A clock has its second hand 2 cm long. What will the average velocity of the tip of the second hand in 15 seconds.

**english**

Example of literary and non literary prose by citing example?

**math**

please help, a field is in the form of a parallelogram whose base is 420m and height is 3.6 dam. find the cost of watering at 10 ps per sq.m

**math**

if right angle haveing perimeter=36,diagnol=15 then area=?

**science**

Can a car climb over ramp of slope of 1m vertical to 2.4m horizondal

**st. marry**

how to solve it [2-3(2-3)to the power 3]hole to the power 3

**Physics**

i want convertions

**math**

A car driver completes a 180km trip in 4hour. If he averages 50km/h during the first 3 hour of t

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