what these seven words all have in common?

1. Banana
2. Dresser
3. Grammar
4. Potato
5. Revive
6. Uneven
7. Assess

Hare and Deer leaps

A hare makes 6 leaps in the same time as a deer makes 4, but the deer's leap is 21/2 m while the hare's is only 1 m. How many leaps will the deer make before catching the hare, supposing the hare was to have a start of 13m on a straight road?

Bridge Crossing

Find the Word

I am a 10 letter word:

_R_NL_A_A_

Clues:
1. Girls like it.
2. Police use it.
3. Parents hate it.

Throw a Red color ruby in to blue color sea

What will happen if we throw a Red color ruby in to blue color sea?

Cannibals and Missionaries

Animals and Birds in Zoo

There are Birds and Animals in the Zoo, the count of their heads gives 15 and the count of their legs gives 40.

Find how many birds and how many animals in the Zoo.