" 13.Gunpowder contains "75%" nitre and "10%" sulphur.Find the amount of the gunpomd "

Gunpowder contains 75% nitre and 10% sulphur. Find the amount of the gunpowder which carries 9 kg nitre. What amount of gunpowder would contain 2.3 kg sulphur?

Gunpowder contains 75% nitre and 10% sulphur. Find the amount of the gunpowder which carries 9 kg nitre. What amount of gunpowder would contain 2.3 kg sulphur?

Gunpowder contains 75% nitre and 10% sulphur. Find the amount of gunpowder which carries 9 kg nitre. What amount of gunpowder would contain 2.5 kg sulphur?

Gunpowder contains 75% of nitre and 10% of sulphur and the rest of it is charcoal find the amount of charcoal in 8 kg of gunpowder

Gunpowder contains 75% of nitre and 10% of sulphur,and the rest of it is charcoal.Find the amount of charcoal in 8 kg of gunpowder.

Gun - powder contains 75% nitre, 10% sulphur and the rest of it is charcoal. Find the quantity of charcoal in 8 kg of gun-powder.

A container contains 20 L mixture in which there is 10% sulphuric acid. Find the quantity of sulphuric acid to be added in it to make the solution to contain 25% sulphuric acid. एक कंटेनर में 20L मिश्रण होता है जिसमें 10% सल्फ्यूरिक एसिड होता है। 25% सल्फ्यूरिक एसिड युक्त घोल बनाने के लिए इसमें कितनी सल्फ्यूरिक एसिड की मात्रा मिलाएँ।

Chalk contains 10% calcium, 3% carbon and 12% oxygen. Find the amount of carbon and calcium (in grams) in 2""1/2" kg of chalk.

A certain sum of money amounts to Rs 23,400 in 3 years at 10% per annum simple interest. Find the amount of the same sum in 2 years and at 10% p.a. compound interest.