Subject :IMO Class : Class 7
Each tyre of car A has circumference 200 cm. Each tyre of car B has circumference 250 cm. On a journey of 20 km, the difference in the number of revolutions made by a wheel of car A and a wheel of car B equals
A800
B1000
C2000
D4000
Answer is 12000
Ans 1:
Class : Class 10
No answer is 2000 sorry
Ans 2:
Class : Class 9