Select the number that is midway between the lowest number and the highest number.
Which number is midway between that number and the number that is nearest the highest number?

35  5 52 36 67
69  4 51 37 71
55 68  3 53 39

Fill in the missing words to make a phrase with both the left and right hand sides. For instance, if you were given GRAPE __________ FLY, the missing word could be FRUIT, making GRAPEFRUIT and FRUIT FLY.

1. TOP __________ AGENT
2. PROXY __________ OF NO CONFIDENCE
3. SECOND-HAND __________ DETECTOR
4. THE SACK OF __________ APPLE
5. ST. LOUIS __________ SIN

Once you have the words, what event does it represent?

This equation is incomplete: 1 2 3 4 5 6 7 8 9 = 100

One way to make it accurate is by adding seven plus and minus signs, like so.

1 + 2 + 3 – 4 + 5 + 6 + 78 + 9 = 100

How can you do it using only 3 plus or minus signs?

What are these words or phrases, which contain the word cat?

A dreadful event (11 letters)
A robber who climbs walls (10 letters, 2 words)
A systematic list (7 letters)