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प्रश्न
What are the benefits, if we switch off the engine of the vehicles at the red light on the road?
उत्तर
It will save fuel if we switch off the engine of the vehicles at the red light on the road.
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संबंधित प्रश्न
- What are the different kinds of vehicles that you can see?
- What do you think they need petrol and diesel as fuel?
- Which of the vehicles do you think to give off smoke? Put a red mark on those.
Manju said, “Why doesn't everyone use a bus?” What do you think, why don’t people travel by bus?
Suggest some ways to deal with the problems arising out of the growing number of vehicles.
The rates of petrol are different in each city. The rates of petrol and diesel in Delhi are given here. Look at the table and answer the questions.
| Oil | Rate of one litre in 2002 (Oct) | Rate of one litre in 2007 (Oct) | Rate of one litre in 2014 (Oct) |
| Petrol | Rs 29.91 | Rs 43.52 | Rs 67.86 |
| Diesel | Rs 18.91 | Rs 30.48 | Rs 58.97 |
- In 2014, as compared to 2007 the rate of petrol went up by ______ rupees. The rate of diesel increased by ______ rupees.
What would happen if you don’t get petrol or diesel for a week in your village or town?
Do you know anyone who collects dry wood or leaves to be used for lighting a chulha?
1. In the year 1976, out of 100 how many houses used uple and wood?
2. Which was the fuel used the least in 1976?
3. In 1976, LPG and kerosene were used in ______ houses, and in 1996 this increased to ______. This means that in twenty years their use increased by________%.
4. Out of 100, how many houses were using electricity in 1996?
5. Which fuel was used the least in 1996? What percentage of houses used it in the year 1976?
While making the design, who did you plan to take care of:
| old people | ____________ |
| children | ____________ |
| those who cannot see? | ____________ |
