Prasad

A lamp of mass 5kg is hung from two hooks 2.5cm apart on the horizontal ceiling of room by strings of length 1.5m and 2m.Find tension in the strings?

Two numbers are in the ratio 2:7.if sum of the numbers is 99 , find them

A circuit consists of parallel combination 8&12ohms& unknown resistance of R ohm is connected in series with it the total power consume is 70w. When the source voltage is 20V calculate the value of unknown

Silver metal react with nitric acid according to the equation 3Ag+4HNO3----->3AgNO3+NO+H2O The volume 1.5 M of HNO3 required react with 0.784gm silver is

if their difference is 3 and their sum is 15 what are the two numbers

Idea or Ideology

I have no idea abt it, so i need a clear picture abt it. so pls help to do the needful.

Let X be the no of cows and Y be number of chickens No of Heads = 20 x+y = 20 No. of legs = 64 4x + 2 y = 64 Solve the system of equation x+y = 20 4x + 2y = 64 You will get x = 12, y = 8 No. of cows = 12 No. of chickens = 8

Is it 125,295

7 and 5