Set 1

Find the last digit of 6 x 7 x 8 x 9 x 10 x … x 32 x 33 x 34.

(a)  

12 flags are placed along a square field. Each side of the field has the same number of flags. How many flags are there on each side of the field?

(a)  

Jill is 150 meters ahead of Dora. Jill can walk at 60 meters per minute and Dora can walk 45 meters per minute. Will Dora catch up with Jill? (NOTE: ANSWER MUST BE EITHER “NEVER” OR “THEY WILL MEET”)

TYPE 1 IF ANSWER IS "NEVER"

TYPE 2 IF ANSWER IS "THEY WILL MEET"

(a)  

A dictionary uses 1215 digits for its page numbers. How many pages does the dictionary have?

(a)  

Observe the pattern below. What is A?

2 x 2 – 1 x 1 = (   ) + (   ) = 3

3 x 3 – 2 x 2 = (   ) + (   ) = 5

2019 x 2019 – 2018 x 2018 = (   ) + (   ) = A

(a)  

How many tens are there in the sum of 9 + 91 + 18 + 82 + 27 + 73 + 36 + 64 + 45 + 55?

(a)  

A planet, which travelled at 30km per minute, collided with another planet that travelled at 40km per minute. How far apart are the 2 planets 5 minutes ago?

(a)  

Jasmine brought 3500g of flour. She used 3/7 of it to bake some tarts and 700g of it to bake a cake. How much flour was left (in grams)?

(a)  

Jay has 6 shirts, 5 pants, 4 hats, and 3 shoes. How many possible outfits can he make?

(a)  

If A = 3:3 + 6:3 + 9:3 + 12:3 + … + 24:3 + 27:3, find A:45.

(a)