Advertisements
Advertisements
प्रश्न
Chalk contains calcium, carbon and oxygen in the ratio 10:3:12. Find the percentage of carbon in chalk.
Advertisements
उत्तर
Given, Ratio of calcium, carbon and oxygen = 10 : 3 : 12
Total part = 10 + 3 + 12
= 25
Part of carbon = `3/25`
Therefore, Percentage of carbon in chalk powder = `3/25 xx 100`
= `300/25`
= 12%
संबंधित प्रश्न
Convert part of the ratio to percentage:
3 : 1
Convert part of the ratio to percentage:
2 : 3 : 5
Convert part of the ratio to percentage:
1 : 2 : 5
If in a stick of chalk, carbon is 3g, what is the weight of the chalk stick?
If Rs. 250 is to be divided amongst Ravi, Raju, and Roy so that Ravi gets two parts, Raju three parts, and Roy five parts. How much money will each get? What will it be in percentages?
Last year Giripremi group planted 75 trees. Of these, 48 trees flourished. The Karmavir group planted 50 trees, of which, 35 flourished. Which group was more successful in conserving the trees they had planted?
Ramu scored 20 out of 25 marks in English, 30 out of 40 marks in Science and 68 out of 80 marks in mathematics. In which subject his percentage of marks is best?
The ratio of Saral’s income to her savings is 4 : 1. What is the percentage of money saved by her?
A salesman is on a commission rate of 5%. How much commission does he make on sales worth ₹ 1,500?
The ratio 3 : 8 is equal to ______.
