Advertisements
Advertisements
प्रश्न
If in a stick of chalk, carbon is 3g, what is the weight of the chalk stick?
Advertisements
उत्तर
Let the total weight of chalk be x g.
Then, x of 12% = 3
x × 12% = 3
`x xx 12/100 = 3`
x = `(3 xx 100)/12`
x = 25g
APPEARS IN
संबंधित प्रश्न
Convert part of the ratio to percentage:
2 : 3 : 5
Convert part of the ratio to percentage:
1 : 4
Convert part of the ratio to percentage:
1 : 2 : 5
Chalk contains calcium, carbon and oxygen in the ratio 10:3:12. Find the percentage of carbon in chalk.
In a class, the ratio of girls to boys is 3: 7.
(i) What percentage of the total number of students is girls and what percentage of the total number of students is boys?
(ii) If the total number of students is 70, what would be the number of girls and what would be the number of boys in the class?
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?
The ratio 3 : 8 is equal to ______.
2.5 = ______ %.
