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sumit
Questions (20)
The population of a town increases at the rate of 40 per thousand. Its population after 2 years will be 6084. Find its present
1 answer
1,050 views
7 is subtracted from the quotient of 48 divided by sum of 5 and difference of 11 and 8
3 answers
2,822 views
A car is travelling at 20m/s along a road. A child runs out into the road 50m ahead and the car driver steps on the brake pedal.
2 answers
800 views
a small mountain near tectonic plate line andes has been growing consistently in height each year. the first measured height was
0 answers
511 views
a soccer-ball was kicked off the top of the building and its height was monitored.regression equation is h= -4t^2+24.5t+146.
3 answers
780 views
construct a triangle ABC similar to given triangle equilateral triangle PQR with side sum such that each of its sides is 6/7 of
1 answer
726 views
if tony took 24 hours to finish his homework and sally took 30 hours. if they work together how many hours they would take?
2 answers
512 views
An object 5 cm high is placed at a distance of 60 cm in front of a concane mirror of focal length10cm .Find the position and
0 answers
554 views
If sin(theta)=3/5 , tan(phi)= 1/2 and 90¡ã< theta <180¡ã<phi< 270¡ã, find tha value of 8tan(theta) - 5^1/2 sec(phi)
1 answer
674 views
calculate the osmotic pressure of a solution obtained by mixing 100ml of 0.25M solution of urea and 100ml of 0.1m solution of
1 answer
903 views
a 4kg roller is attached to a spring of force constant 100N/m. it slides over a frictionless horizontal road. the roller is
2 answers
478 views
On a certain sum, C.I. is Rs 41 and SI is Rs 40. for 2 years. What is the rate p.a
0 answers
312 views
Is eulers formulae true for spheres and cylinder ,please explain
1 answer
392 views
prove that 1/2 * 1/3 * 1/4 * ... ..... ... ..... ..... .... ....... .... ... ....1/99 < 1/2
5 answers
366 views
two drums contain 600lts. and 800 lts. of water . find the size of the largest vessel that can be filled an exact number of
1 answer
419 views
a bullet of mass 30 g. is fired from a pistol of 2.1kg at a velocity of 300 m/s calculate the recoil velocity of the pistol
1 answer
666 views
1) Two large vertical plates parallel to each other are 2mm apart. A thin flat plate of 1 mm thickness,0.6 m*0.6 m size and 25 N
1 answer
771 views
Explain the interference due to thin flims and ahows that the reflected and transmitted systems are complementary to each other.
0 answers
408 views
Show that the amplitude of the first reflected ray is equal to the sum of amplitude of all other reflected rays.
1 answer
351 views
how can electric field exist inside a uniform charge solid... when by gauss law electric field is zero inside a conductor
1 answer
1,193 views
Answers (4)
Falls
i don't understand
this is no a proper method.. u have done correct , no doubt , but i want step by step
plse explain in detail...
