Question : Directions: The following graph represents the transport used by children. Study the graph and answer the given question.

What is the percentage of children using scooters?

Option 1: 20%

Option 2: 33.33%

Option 3: 15%

Option 4: 40%

Question : Directions: The following graph represents the transport used by children. Study the graph and answer the given question.

If 180 students come walking to school, what is the strength of the school?

Option 1: 540

Option 2: 450

Option 3: 360

Option 4: 600

Question : Directions: The following graph represents the transport used by children. Study the graph and answer the given question.

If 10 students come by car, how many students come by bus?

Option 1: 60

Option 2: 50

Option 3: 30

Option 4: 100

Question : An angle is greater than its complementary angle by 30°. Find the measure of the angle.

Option 1: 30°

Option 2: 90°

Option 3: 60°

Option 4: 120°

Question : AB and BC are two chords of a circle with centre O. Both chords are on either side of the centre O. Point A and point C are connected to the centre O, such that $\angle B A O=36^{\circ}$ and $\angle B C O=48^{\circ}$. What is the degree measure of the angle subtended by the minor arc AC at the centre O?

Option 1: 136°

Option 2: 144°

Option 3: 120°

Option 4: 168°