A skirt that is `35 7/8 cm` long has a hem of `3 1/8 cm`. How long will the skirt be if the hem is let down?

A metal sheet 27 cm long, 8 cm broad and 1 cm thick is melted into a cube. The side of the cube is

A hollow iron pipe is 21 cm long and its exterior diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weighs 8g//cm^(3) , then the weight of the pipe is (Take pi = (22)/(7) )

A hollow iron pipe is 21 cm long and its exterior diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weights 8 g/cm^3, then the weight of the pipe is____

The thicknes of a metallic tube is 1 cm and the inner diameter of the tube is 12 cm. Find the mass of 1 m long tube, if the density of the metal be 7.8 g//cm^3 .

A particle performs linear SHM of period 12 seconds and amplitude 8 cm. How long will the particle take to travel 6 cm from the positive extremity ?

A vertical stick 10 cm long casts a shadow 8 cm long. At the same time a tower casts a shadow 30m long. Determine the height of the tower.

A sound wave has a frequency of 2 kHz and wavelength 35 cm . How long will it take to travel 1.5 km ?

A sound wave has a frequency of 2 kHz and wavelength 35 cm . How long will it take to travel 1.5 km ?

A sound wave of frequency 3kHz and a wavelength of 45 cm. How long will it take to travel 1.8 km?

The sides of a parallelogram are 12 cm and 8 cm long and one of the diagonals is 10 cm long. If d is the length of other diagonal, then which one of the following is correct?