Question

Consider a road map of city having 5approach roads from other places,10junctions and no internal road has a dead end every junction expect one is associated with 4roads.if n no of roads are associated with remaining junction then which of the following value is impossible for n
1)3. 2)5. 3)6. 4)7

Answer 1

Step-by-step explanation:

There are 12 balls and 15 blue balls. What is the ratio of red balls to blue balls?