Level 1 PSLE
A string of beads on a table is partly covered by a piece of cloth as shown. There are 3 white beads between every 2 grey beads. Altogether, there are 14 grey beads. What is the total number of white beads?
1 m
Level 2 PSLE
A total of 130 people stand in a queue for movie tickets. There are at least 3 adults between any 2 children. What is the largest possible number of children in the queue?
2 m
Level 3 PSLE
Letters A, B, C formed a patten as shown below.
A B A C A A B A C A A B A C A ...

If there are 137 'A', what is the greatest possible number of letters in the pattern?
2 m
Level 2
Study the number pattern.
If this pattern continues, in which column will the number 1037 appear?
2 m
Level 2
Jeremy arranged 5 letters to form a pattern. The first 4 rows are as shown.

Row 1    AB  CDE
Row 2    BA  ECD
Row 3    AB  DEC
Row 4    BA  CDE

Write the arrangement of the 5 letters in Row 83.
2 m
Level 2 PSLE
Tim uses the four letters W, X, Y and Z to form a pattern. The first 16 letters are shown.

W, X, Y, Z, Z, Y, X, W, W, X, Y, Z, Z, Y, X, W, ...

Which letter is in the 59th position?
2 m
Level 2 PSLE
A machine started printing posters at 8.00 a.m. on Monday at the rate of 1000 posters per hour. After every 6 hours of printing, it was stopped for an hour. How many posters were printed by 10.00 a.m. the next day?
2 m
Level 2 PSLE
A roll of ribbon is made up of white, grey and black segments. Each segment is 1 cm long. The segments follow a repeated colour pattern as shown. A piece of ribbon 80 cm long is cut from the roll. In that piece, how many white segments are there?
2 m
Level 2
Colin arranged the letters as shown.

ABCDAABBCCDDAAABBBCCCDDDAAAABBBBCCCCDDDD ...
1st

Identify the 230th letter.
2 m
Level 2 PSLE
A table with 4 columns is filled with numbers in a certain pattern. The first 4 rows of the table are shown. In which column will the number 362 appear?
2 m