Prove that the below maths equation is true.

8 + 8 = 91

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Different lights make me strange by changing me into different sizes. What am I?

What is the fastest way to double your money?

What is the Surname of Barbie Doll?

Find the hidden tiger in the given optical illusion ?

I can be cracked, made, told, and played. What am I?

A pregnant woman is preparing to name her seventh child. Her children's names so far are Dominique, Regis, Michelle, Fawn, Sophie, and Lara. What will she name her next child -- Jessica, Katie, Abby or Tilly?