Be active and find the killer in the picture Riddle below.

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

What has many keys but can’t open a single lock?

what does this below rebus represent identXQQQQQME

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

Jenifer and Jesica are having a conversation.

Jenifer: I am definitely not over 30.
Jesica: I am 28 and you are surely 5 years older to me at least.
Jenifer: No, you are at least 29.

You are told that both of them are lying throughout in the conversation. Can you find their respective ages?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?