What word begins and ends with an E, but has only one letter?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

I have two sand hourglasses:
1. A 7 minute one and
2. An 11-minute one.

Using just these 2 sand hourglasses, how can I measure time as 15 minutes?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

Find the next number in the series.
1 10 24 43 67 ?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

Who is that with a neck and no head, two arms and no hands? What is it?

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

81 x 9 = 801. What must you do to make the this equation true?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?