# What is the missing number?

5  13  10  16  20  19  40  ?

# Sitting Arrangement

Eight friends – Nancy, Harris, Jim, Feona, Daniel, Tony, Mary and Susan are sitting around a circular table. Susan is sitting just beside Mary. Tony is sitting 3rd to the left of Susan and also 3rd to the right of Feona who is 2nd to the left of Harris. Jim is 2nd to the right of Nancy who is opposite to Tony. Who is sitting immediate to the left of Mary?

# Make 3 Squares

Make 3 squares by moving 3 clips only.

# Missing Numbers

Find the missing value:

There are 5 squares in this image. By moving only 2 matchsticks make seven squares.

(Overlapping or breaking of matchsticks is not allowed)

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# Smallest 4 Digit Number

Find the smallest 4 digit number meeting the following criteria:

1. First digit is 1/3 of the second digit.
2. Third digit is the sum of the first and second digit.
3. The last digit is thrice the second digit.

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# July Equals To…

If March = 43 and May = 39, what does July equals to?