Related Questions

There are 87 balls in a jar. Each ball is painted with at least one of two colors, red or green. It is observed that 2/7 of the balls that have red color also have green color, while 3/7 of the balls that have green color also have red color. what fraction of the balls in the jar has both red and green colors?
If 'blue' means 'green', green' means 'yellow' 'yellow' means 'orange', 'orange' means 'black', 'black' means 'white', 'white' means 'red', 'red' means 'pink', 'pink' means 'brown', 'brown' means 'grey', than what is the color of human blood?
12 marbles are selected at random form a large collection of white , red, green and yellow marbles . The number of marbles of each color is unlimited. Find the probability that the selection contains at least one marble of each color ?
নিম্নের কোন পরীক্ষাটি সালফিউরিক এসিড ও নাইট্রিক এসিডের মধ্যে পার্থক্য করতে ব্যবহার করা যায়? (Which one of the following tests can be used to distinguish between sulphuric acid and nitric acid?
Reaction of nitric acid and sulphuric acid with phosphate rock produces
নিম্নের কোন পরিক্ষাটি সালফিউরিক এসিড ও নাইট্রিক এসিডের মধ্যে পার্থক্য করতে ব্যবহার করা যায়? (Which one of the following tests can be used to distinguish between sulphuric acid and nitric acid?)
Nitric acid does not react with
Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction.
Commercial nitric acid is coloured because it contains dissolved :
Nitroglycerene absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as a controlled explosive called dynamite. The raw material used for its manufacture are glycerene, nitric acid and