Question : The period of revolution of a geostationary satellite is 

Option 1: 365 days

Option 2: 30 days

Option 3: 24 hours

Option 4: changing continuously

Question : The ratio of the area of two isosceles triangles having the same vertical angle (i.e. the angle between equal sides) is 1 : 4. The ratio of their heights is:

Option 1: 1 : 4

Option 2: 2 : 5

Option 3: 1 : 2

Option 4: 3 : 4

Question : If the sum of two quantities is equal to three times their difference, then the ratio of the two quantities is:

Option 1: 1 : 3

Option 2: 3 : 1

Option 3: 2 : 1

Option 4: 2 : 3

Question : When did the best productions of Gandhara Sculpture appear?

Option 1: Mauryan period

Option 2: Kushan period

Option 3: Gupta period

Option 4: Harsha period

Question : A can do a piece of work in 10 days, while A and B together can complete it in $2 \frac{1}{2}$ days. How long will B alone take to complete the work?

Option 1: $\frac{3}{10}$ days

Option 2: $\frac{10}{3}$ days

Option 3: $3$ days

Option 4: $4$ days