Question : The object which repeats its motion after some time is called _______.

Option 1: periodic motion

Option 2: semi-circular motion

Option 3: rectilinear motion

Option 4: circular motion

Question : A certain sum of money amounts to $\frac{3}{2}$ of itself in 2 years applying simple interest. Find the rate of simple interest per annum.

Option 1: 25%

Option 2: 15%

Option 3: 16%

Option 4: 26%

Question : At what time does a sum of money amount to twice itself at the simple interest of 25% per annum?

Option 1: 8 years

Option 2: 2 years

Option 3: 4 years

Option 4: 10 years

Question : If a sum triples in 4 years at simple interest, find the time that it would take to become 5 times itself at the same rate of interest.

Option 1: 6 years

Option 2: 8 years

Option 3: 5 years

Option 4: 3 years

Question : The motion of a body around a circular path is an example of

Option 1: Uniform velocity, variable acceleration

Option 2: Uniform speed, uniform velocity

Option 3: Uniform speed, variable velocity

Option 4: Uniform speed, variable acceleration