Montessori International School Mathematics Competition Finals

168 eggs are laid by 3 hens. If they all laid equal number of eggs, how many did each hen lay?

• 504

• 1

• 6

• 56

What is the sum of the prime numbers between 1 and 10?

• 17

• 19

• 7

• 11

Simplify XVI + III + IX

• XL

• XXVIII

• XVIII

• IXIV

Find the missing number. 6/7 = 18/x

• 126

• 18

• 21

• 42

Express 25 as a percentage of 500.

• 5%

• 125%

• 1/20%

• 0.5%

8 girls have enough food for 6 days. How long would the same food last 4 girls who eat at the 4same rate?

• 4days 16hours

• 12days

• 48days

• 6days

After spending 2/5 of my money, I was left with #36. What was the original amount.

• #14.40

• #24

• #60

• #48

A boy cycled to school at a speed of 20km/h for 45minutes. How far did he travel?

• 10km

• 15km

• 20km

• 35km

Express 45 minutes as a fraction of 2.5 hours.

• 1/10

• 4/5

• 3/10

• 1/6

What is the cost price of an article on which a profit of 18% is made when it is sold for #295.00?

• #245

• #241.90

• #250

• #265