Question : What is the mean temperature of Earth?

Option 1: 6 degree celsius

Option 2: 16-degree celsius

Option 3: 26-degree celsius

Option 4: 36-degree celsius

Question : The Earth has been divided into many time zones. How many degrees does each time zone cover?

Option 1: 24 degrees

Option 2: 20 degrees

Option 3: 15 degrees

Option 4: 10 degrees

Question : In triangle ABC, $\angle$ABC = 15°. D is a point on BC such that AD = BD. What is the measure of $\angle$ADC (in degrees)?

Option 1: 15

Option 2: 30

Option 3: 45

Option 4: 60

Question : Which of the following is the correct-rationalised form of $\frac{15}{\sqrt5+2}$?

Option 1: $5\sqrt5-6$

Option 2: $5\sqrt5-30$

Option 3: $15\sqrt5-30$

Option 4: $45\sqrt5-30$

Question : What percentage of 15 hours is 18 seconds?

Option 1: $30$%

Option 2:  $\frac{1}{30}$%

Option 3: $36$%

Option 4:    $\frac{1}{36}$%