Easy Riddles and Answers

Question: I am a digit, but two of the ten.
Two of me make a promise.

What am I?

Question: I'm the part of a bird that's not in the sky,
I can swim in the ocean and remain dry?

What am I?

Question: You have a flashlight that takes 2 working batteries. You have 8 batteries but only 4 of them work.

What is the fewest number of pairs you need to test to guarantee you can get the flashlight on?

Question: Permanent feature and teacher, unless it results in you being buried by the preacher - what is it?

Question: Take your time do not fear Sadly I am never clear My answer stares you in the face Read me over and over just incase My answer will cause you pain But a smile you will gain Today I am like a July evening dream To find my answer you may need a team What am I