Problem 1:
How many different flags can be made from colors white, red, green, purple, orange, yellow, blue so that each flag consisted of three different colors?
Problem 2:
A new flag is to be designed with 6 vertical stripes using all 4 colors. In how many ways can this be done so that no 2 adjacent stripes have the same color and it is given that we have to use all the 4 colors for 4 stripes
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Problems - 06/06/19
Problem 1:
A company sent four painters to paint a school. They should be done in 12 days. After 3 days, one painter got ill. After 5 days, another painter got ill. How long will the remaining painters paint the school?
Problem 2:
4 workers can lay the floor in a school in 20 days. After 2 days 4 more workers join them. After 5 days, 3 of them decide to work half the time. How long did it take to lay the floor.
Congratulations to Vijay Aivalli and Kishore Balsara, who were the winners of the last set of puzzles.
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