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प्रश्न
Fill in the blank for the given equivalent ratio.
4 : 5 = ____ : 10
रिकाम्या जागा भरा
उत्तर
4 : 5 = 8 : 10
Explanation:
`4/5 = x/10`
5 × x = 4 × 10
x = `(4 xx 10)/5`
x = 8
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पाठ 3: Ratio and Proportion - Exercise 3.2 [पृष्ठ ५४]
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संबंधित प्रश्न
In a computer lab, there are 3 computers for every 6 students. How many computers will be needed for 24 students?
Fill in the following blanks:
| 14 | = | = | 6 | |
| 21 | 3 |
[Are these equivalent ratios?]
Complete the table.
| Feet | 1 | 2 | 3 | ? |
| Inch | 12 | 24 | ? | 72 |
Complete the table.
| Days | 28 | 21 | ? | 63 |
| Weeks | 4 | 3 | 2 | ? |
5 : 7 is equivalent to 21 : 15
If 40 is divided in the ratio 3 : 2, then the larger part is 24
Give two equivalent ratios of the following.
5 : 4
Identify of the two ratios is larger?
4 : 5 or 8 : 15
Divide the numbers given below in the required ratio.
20 in the ratio 3 : 2
The table lists the world’s 10 largest deserts.
| Largest Deserts in the World | |
| Desert | Area (km2) |
| Sahara (Africa) | 8,800,000 |
| Gobi (Asia | 1,300,000 |
| Australian Desert (Australia) | 1,250,000 |
| Arabian Desert (Asia) | 850,000 |
| Kalahari Desert (Africa) | 580,000 |
| Chihuahuan Desert (North America) | 370,000 |
| Takla Makan Desert (Asia) | 320,000 |
| Kara Kum (Asia) | 310,000 |
| Namib Desert (Africa) | 310,000 |
| Thar Desert (Asia) | 260,000 |
- What are the mean, median and mode of the areas listed?
- How many times the size of the Gobi Desert is the Namib Desert?
- What percentage of the deserts listed are in Asia?
- What percentage of the total area of the deserts listed is in Asia?
