Advertisements
Advertisements
प्रश्न
Pattern B consists of four tiles like pattern A. Write a proportion involving red dots and blue dots in pattern A and B. Are they in direct proportion? If yes, write the constant of proportion.

Advertisements
उत्तर
The number of red dots in pattern A (•) = 4
The number of blue dots in pattern A (`square`) = 2
Pattern B consists of four tiles like pattern A i.e.
Patter A × 4 = Pattern B
∴ Proportion in pattern = `2/6 = 1/3`
Now, proportion of blue dots and red dots in pattern B = `8/32 = 1/4`
APPEARS IN
संबंधित प्रश्न
Following are the car parking charges near a railway station upto
| 4 hours | ₹60 |
| 8 hours | ₹100 |
| 12 hours | ₹140 |
| 24 hours | ₹180 |
Check if the parking charges are in direct proportion to the parking time.
Suppose 2 kg of sugar contains 9 × 106 crystals.
How many sugar crystals are there in
- 5 kg of sugar?
- 1.2 kg of sugar?
A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?
The amount of extension in an elastic string varies directly as the weight hung on it. If a weight of 150 gm produces an extension of 2.9 cm, then what weight would produce an extension of 17.4 cm?
The cost of 12 quintals of soyabean is 36,000 rupees. How much will 8 quintals cost?
Two mobiles cost 16,000 rupees. How much money will be required to buy 13 such mobiles?
If the weight of 12 sheets of thick paper is 40 grams, how many sheets of the same paper would weigh 2.5 kilograms?
If the area occupied by 15 postal stamps is 60 cm2, then the area occupied by 120 such postal stamps will be ______.
If 45 persons can complete a work in 20 days, then the time taken by 75 persons will be ______ hours.
It is given that l varies directly as m. Write an equation which relates l and m.
