Question : The following pie chart shows the percentage expenditure of a country on different heads. The total expenditure is INR 1,680 (in billions). Study the chart and answer the question.

The central angle of the sector representing expenditure on Interest payment is:

Option 1: 90^o

Option 2: 72^o

Option 3: 54^o

Option 4: 108^o

Question : Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows.

If the total marks obtained by students are represented as a pie chart, then the central angle corresponding to marks 250 or more but less than 300 is:
(correct to the nearest degree)

Option 1: 188°

Option 2: 88°

Option 3: 68°

Option 4: 128°

Question : In $\triangle \mathrm{ABC}, \angle \mathrm{A}=54^{\circ}$. If I is the incentre of the triangle, then the measure of $\angle \mathrm{BIC}$ is:

Option 1: 68^o

Option 2: 54^o

Option 3: 148^o

Option 4: 117^o

Question : The sides $P Q$ and $P R$ of $\triangle P Q R$ are produced to points $S$ and $T$, respectively. The bisectors of $\angle S Q R$ and $\angle T R Q$ meet at $\mathrm{U}$. If $\angle \mathrm{QUR}=59^{\circ}$, then the measure of $\angle \mathrm{P}$ is:

Option 1: 31^o

Option 2: 62^o

Option 3: 41^o

Option 4: 49^o

Question : The given pie chart shows the percentage distribution of 450 employees in an organisation. Read the pie chart and answer the question that follows.

What is the central angle of the sector representing the number of employees in department E?

Option 1: $36^\circ$

Option 2: $108^\circ$

Option 3: $72^\circ$

Option 4: $90^\circ$