ILUUN, Tha his profit per cent. 6. A shopkeeper declares a 20% discount on his goods and sells it at a profit of
25%. What is the cost price of the goods if the marked price quoted is Rs 2000?​

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.