Sir Why you have not given video solution in ch 7 class 10??
ncrtsolution class10 math chapter linear pair of equation in two variables examples
Q11) Big Foot monster trucks has a tire has a diameter of 1.7 m.
a) Calculate the distance travelled for one turn of the tire.
b) How many turns will the tire make in travelling 1 km?
Q10) The wheels on a bicycle have a diameter of 27 inches.
a) How far (in inches) does the bicycle travel in each turn of the wheels?
b) How far (in feet) does the bicycle travel in each turn of the wheels?
c) How many rotations of the wheel are needed to travel one kilometer?