I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

How can one talk without saying a single word?

John and his team plan to rob a safe. They got just one chance to break the code else the local police will be informed. Below are clues:
A) Exactly one number is perfectly placed: 9 8 1
B) Everything is incorrect: 9 2 4
C) Two numbers are part of the code of the safe but are wrongly placed: 0 9 3
D) One number is part of the code of the safe but is wrongly placed: 1 4 7
E) One number is part of the code of the safe but is wrongly placed: 7 8 3

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Can you solve this picture maths equation?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?