MCQ Bank

The isolation property of a transaction ensures that concurrent transactions:

The portion of code where a process accesses shared resources and which must not be executed concurrently is the:

The speed of a boat in still water is 9 km/hr and the speed of the river current is 7 km/hr. How much distance will the boat cover traveling downstream in exactly 3 hours?

The speed of a boat in still water is 18 km/hr and the speed of the river current is 2 km/hr. How much distance will the boat cover traveling downstream in exactly 2 hours?

The speed of a boat in still water is 9 km/hr and the speed of the river current is 2 km/hr. How much distance will the boat cover traveling downstream in exactly 4 hours?

The speed of a boat in still water is 11 km/hr and the speed of the river current is 9 km/hr. How much distance will the boat cover traveling downstream in exactly 4 hours?

The speed of a boat in still water is 13 km/hr and the speed of the river current is 6 km/hr. How much distance will the boat cover traveling downstream in exactly 2 hours?

The speed of a boat in still water is 11 km/hr and the speed of the river current is 7 km/hr. How much distance will the boat cover traveling downstream in exactly 2 hours?

The speed of a boat in still water is 9 km/hr and the speed of the river current is 4 km/hr. How much distance will the boat cover traveling downstream in exactly 5 hours?

The speed of a boat in still water is 16 km/hr and the speed of the river current is 7 km/hr. How much distance will the boat cover traveling downstream in exactly 3 hours?

The speed of a boat in still water is 11 km/hr and the speed of the river current is 2 km/hr. How much distance will the boat cover traveling downstream in exactly 5 hours?

A man starts from a point and walks exactly 16 km towards the North. He then turns towards the East and walks exactly 12 km. What is the shortest straight-line distance between his current position and his starting point?

A man starts from a point and walks exactly 15 km towards the South. He then turns towards the East and walks exactly 20 km. What is the shortest straight-line distance between his current position and his starting point?

A man starts from a point and walks exactly 8 km towards the North. He then turns towards the West and walks exactly 6 km. What is the shortest straight-line distance between his current position and his starting point?

A man starts from a point and walks exactly 15 km towards the South. He then turns towards the West and walks exactly 20 km. What is the shortest straight-line distance between his current position and his starting point?

A man starts from a point and walks exactly 20 km towards the North. He then turns towards the East and walks exactly 15 km. What is the shortest straight-line distance between his current position and his starting point?

A man starts from a point and walks exactly 6 km towards the North. He then turns towards the West and walks exactly 8 km. What is the shortest straight-line distance between his current position and his starting point?

A man starts from a point and walks exactly 15 km towards the South. He then turns towards the West and walks exactly 8 km. What is the shortest straight-line distance between his current position and his starting point?

A man starts from a point and walks exactly 4 km towards the South. He then turns towards the West and walks exactly 3 km. What is the shortest straight-line distance between his current position and his starting point?

A man starts from a point and walks exactly 9 km towards the North. He then turns towards the East and walks exactly 12 km. What is the shortest straight-line distance between his current position and his starting point?