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प्रश्न
Have you heard about marathon races in which people have to run about 40 kilometres? People run marathons on roads because the track of a stadium is only 400 metres.
10 rounds of a stadium track = _____ km
विकल्प
4 km
6 km
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उत्तर
10 rounds of a stadium track = 4 km.
Explanation:
10 rounds of a stadium track = 400 metres × 10
= 4000 metres = 4000 ÷ 1000 km
= 4 km.
APPEARS IN
संबंधित प्रश्न
Try This.
Draw a cup 1 cm shorter than this cup.
This is the long jump for boys.
Dhanu has the longest jump of 3 metres 40 cm. Gurjeet is second. His jump is 20 cm less than Dhanu's. Gopi comes third. His jump is only 5 cm less than Gurjeet's jump.
- How long are Gurjeet's and Gopi's jumps?
- Try and see how far you can jump.
- How far can you throw a ball?
- Look for a big ball, like a football or volleyball. How far can you kick it?
Here are the Indian Records and World Records for some jumps.
| Sports | World Record | Indian Record |
| High Jump (Men) | Javier S. (2m 45 cm) | Chandra Pal (2m 17 cm) |
| Long Jump (Men) | Mike P. (8m 95 cm) | Amrit Pal (8m 8 cm) |
| High Jump (Women) | Stefka K. (2m 9 cm) | Bobby A. (1m 91 cm) |
| Long Jump (Women) | Galina C. (7m 52 cm) | Anju G. (6m 83 cm) |
Find out from the table -
Whose high jump is very close to two and a half meters?
Momun comes to school from very far. He first walks about 400 metres to the pond. With slippers in his hands, he then walks 150 metres through the pond. Next he runs across the 350 metres wide green field. Then he carefully crosses the 40 metres wide road to reach his school.
- How much does Momun walk every day to reach school?
- Is it more than 1 km?
Try to find out:
How high can a kite go? Can it go higher than the Qutab Minar?
Measure your arm and your mother's arm. What is the difference?
Look for things that are less than 1 cm long.
Now make a chart of the heights of your friends. To measure the centimetres, you can use your small scale.
| Name | Taller/Shorter/Equal to 1 metre | How many centimetres more or less than a metre |
| Shambhu | Taller | 4 centimetres |
| ______ | ______ | ______ |
| ______ | ______ | ______ |
| ______ | ______ | ______ |
| ______ | ______ | ______ |
Which of these will be in centimeters and which will be in meters?
Height of a sugarcane
Which of these will be in centimetres and which will be in metres?
Height of your mother
