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Complete the missing letters of the given word.

When can we add 2 to 11 and get 1 as the correct answer?

Find the missing number in the series below

13 -21 34 -55 ? -144

Can you count the number of triangles in the given figure?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

A sundial has the fewest moving parts of any timepiece. Which has the most?

What Time Should the last watch show in the below figure?

You can see it everyday, But cannot touch it at will. What is it?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?