What is the Surname of Barbie Doll?

One day Jenifer meets the Lion and the Tiger in the Forest of Forgetfulness. She knows that the Lion lies on Mondays, Tuesdays, and Wednesdays, and tells the truth on the other days of the week. The Tiger, on the other hand, lies on Thursdays, Fridays, and Saturdays, but tells the truth on the other days of the week. Now they make the following statements to Jenifer:

Lion: Yesterday was one of my lying days.

Tiger: Yesterday was one of my lying days too.

What day is it?

What do you get if you add 2 to 100 four times?

How can you make number one disappear by adding something to it?

What does this below rebus puzzle mean?

Why is the Hole below a Lock?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

What am I?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Can you find the six hidden animals in the picture below?