Question : During the occurrence of thunder and lightning:

Option 1: thunder is heard before lightning is seen

Option 2: lightning is seen at the same time as thunder is heard

Option 3: whether lightning is seen first or thunder is heard first will depend upon the distance and angle of the clouds vis-a-vis Earth

Option 4: lightning is seen before thunder is heard

Question : PQR is a triangle. The bisectors of the internal angle $\angle Q$ and external angle $\angle R$ intersect at S. If $\angle QSR=40^{\circ}$, then $\angle P$ is:

Option 1: $40^{\circ}$

Option 2: $60^{\circ}$

Option 3: $80^{\circ}$

Option 4: $30^{\circ}$

Question : PQRS is a cyclic quadrilateral. If $\angle P$ is 4 times $\angle R$, and $\angle S$ is 3 times $\angle Q$, then the average of $\angle Q$ and $\angle R$ is:

Option 1: 40.5°

Option 2: 45.7°

Option 3: 90°

Option 4: 81°

Question : The speed of a boat in still water is 20 km/hr, while the river is flowing at a speed of 8 km/hr and the time taken to cover a certain distance upstream is 6 hr more than the time taken to cover the same distance downstream. Find the distance.

Option 1: 120 km

Option 2: 336 km

Option 3: 126 km

Option 4: 125 km

Question : In $\Delta PQR,$ $\angle P : \angle Q : \angle R = 1: 3 : 5$, what is the value of $\angle R - \angle P$?

Option 1: $30^\circ$

Option 2: $80^\circ$

Option 3: $45^\circ$

Option 4: $60^\circ$

Question : The speed of a boat in still water is 15 km/hr, and the speed of the current is 5 km/hr. In how much time (in hours) will the boat travel a distance of 60 km upstream and the same distance downstream?

Option 1: 20

Option 2: 12

Option 3: 9

Option 4: 10