The taxi fare in a city is as follows: For the first kilometre, the fare is $\mathrm{₹}10$ and for the subsequent distance it is $\mathrm{₹}8$ per $\mathrm{km}$. A taxi driver saw an elderly man waiting near the roadside do not have money to pay fare. The taxi driver gave him the lift and dropped him to his house which was $10 \mathrm{km}$ away from the spot and did not charge the fare from him. Draw the graph for the given information.

Which mathematical concept is used in the problem?

What value is depicted in this problem?

Yash and Kartike, two students of class $\mathrm{IX}$ of a school, together contributed $\mathrm{₹}500$ towards Chief Minister's relief fund to help flood victims. 

Draw the graph for the same.

Yash and Kartike, two students of class $\mathrm{IX}$ of a school, together contributed $\mathrm{₹}500$ towards Chief Minister's relief fund to help flood victims. Draw the graph for the same.

Which mathematical concept is used in the problem?

What value is depicted in the problem?

Rakesh has a scooter and a car. He has to travel $5 \mathrm{km}$ to purchase medicines. He used his scooter instead of car. The cost of petrol in the city is $\mathrm{₹}75$ per litre. 

Draw the graph for the given information.

Rakesh has a scooter and a car. He has to travel $5 \mathrm{km}$ to purchase medicines. He used his scooter instead of car. The cost of petrol in the city is $\mathrm{₹}75$ per litre. Draw the graph for the given information.

From the graph, find the cost of $4 \mathrm{litres}$ of petrol.

Rakesh has a scooter and a car. He has to travel $5 \mathrm{km}$ to purchase medicines. He used his scooter instead of car. The cost of petrol in the city is $\mathrm{₹}75$ per litre. Draw the graph for the given information.

Which mathematical concept is used in the problem?

What value is depicted in this problem?

Lokesh won some prize money in KBC. He donated $40\%$ of the prize money to NGO working for street children.

Draw a graph for this data. 

Lokesh won some prize money in KBC. He donated $40\%$ of the prize money to NGO working for street children. Draw a graph for this data.

Read from the graph, the prize money he won if he had donated $\mathrm{₹}40000$ to the NGO. 

Lokesh won some prize money in KBC. He donated $40\%$ of the prize money to NGO working for street children. Draw a graph for this data.

Which mathematical concept is used in the problem?

What value is depicted in this problem?