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.
Answer: Reward and Drawer.
Puzzle 2: There are 17 pigeons sitting in a row on a wall. A boy shoots the fifth pigeon. How many pigeons remain?
Explanation: They all fly away at the sound of the gunshot.
Puzzle 3: What is the largest number you can get using only 2 digits?
Answer: 387420489 (i.e. 99)
Puzzle 4: Complete the sequence:
Z O T T F F S S __
Explanation: The sequence is Zero, One, Two, Three, Four, Five, Six, Seven, Eight.
Puzzle 5: Using four 7s and one 1 make 100. You can use (), /, X, +, –
Answer: 177 – 77 = 100.