**Puzzle 1:** Fill in the blanks with a word which makes two different words if you read from both sides:

Tim’s father has kept his ______ in the ______ for scoring good marks in math.

**Puzzle 2:** There are 17 pigeons sitting in a row on a wall. A boy shoots the fifth pigeon. How many pigeons remain?

**Puzzle 3:** What is the largest number you can get using only 2 digits?

**Puzzle 4:** Complete the sequence:

Z O T T F F S S __

**Puzzle 5:** Using four 7s and one 1 make 100. You can use (), /, X, +, –