All the kangaroos on AKSF Island are either grey or green. Every time when the clock strikes midnight, some of the kangaroos change their colors. Yesterday, there were 6 grey kangaroos for every 5 green ones. Today, there are 3 grey ones for every 4 green ones. What is the smallest possible number of kangaroos that changed the color overnight?

2021 colored kangaroos are arranged in a row and are numbered from 1 to 2021. each kangaroo is colored either red, grey, or blue. amongst any three consecutive kangaroos, there are always of all three colors. badr guesses the colors of five kangaroos. these are his guesses: kangaroo no. 2 is grey kangaroo no. 20 is blue kangaroo no. 202 is red kangaroo no. 1002 is blue kangaroo no. 2021 is grey Only one of his guesses is wrong, which one?

2021 colored kangaroos are arranged in a row and are numbered from 1 to 2021. each kangaroo is colored either red, grey, or blue. amongst any three consecutive kangaroos, there are always of all three colors

A kangaroo has a large collection of small 1 × 1 × 1 cubes. Each cube is painted one color. The kangaroo wants to construct a cube using 27 small cubes in such a way that any two small cubes sharing a vertex are of different colors. At least how many different colors must the kangaroo use?

Lara wishes to advertise her business, so she gives packs of 6 red flyers to each restaurant owner and sets of 8 blue flyers to each clothing store owner. At the end of the day, Lara realizes that she gave out the same number of red and blue flyers. What is the minimum number of flyers of each colour?

A child is arranging green blocks in groups of 3 and purple blocks in groups of 6. If she has the same number of green and purple blocks, what is the smallest number of each colour that she could have?