Penguin Problems - Junior Years

A penguin ate 10 fish and another ate half that quantity. How many fish did they eat?

• 5 fish

• 10 fish

• 15 fish

• 20 fish

Dad's favourite numbers are 15 and 18. How many penguins could he organise in 15 rows of 18 penguins?

• 540

• 15

• 33

• 270

Answer explanation

15 x 18

A polar bear was delivered on January 1st. The family was speechless! They thought that the polar bear needs 8 times more food than the penguin. A penguin needs 2.5kg of fish at €3 per kilogram.

(a) How much food does the bear eat?

(b) How much money is needed to feed this particular bear?

• (a) 10.5kg

  (b) €31.50 or 31.50€

• (a) 16kg

  (b) €48 or 48€

• (a) 20kg

  (b) €60 or 60€

• (a) 20kg

  (b) €180 or 180€

A box has 20 penguins and another box has 5 penguins more than the first box. How many penguins do we have in the 2 boxes?

• 40 penguins

• 20 penguins

• 25 penguins

• 45 penguins

Answer explanation

1st box = 20 penguins

2nd box = 20 + 5 = 25 penguins

20 + 25 = 45 penguins

Before leaving from the South Pole, the Uncle gives each penguin a pair of mittens and a scarf each. How many mittens and scarves did the Uncle prepare?

• 730 mittens and scarves

• 1095 mittens and scarves

• 1460 mittens and scarves

• 1825 mittens and scarves

Answer explanation

2 mittens + 1 scarf each = 3

3 x 365 = 1095

Grandma Penguin has 2 children. Each child has 2 children and they also have 2 children each.

(a) How many grandchildren does she have?

(b) How many great-grandchildren does she have?

The father arranged the penguins in the form of a cube of 5 by 5 by 5. Which of the following powers represents the number of penguins?

12 penguins went to a restaurant and the bill was 80 euros. They gave a 20% tip. How much was the tip?

• 8 euros

• 16 euros

• 12 euros

• 18 euros

Answer explanation

20% of 80

20 x 80 = 1600 / 100 = 16 euro

Ines has 5 toy penguins and her brother has five times more than her. How many toy penguins does the brother have?

• 5 soft toys

• 10 soft toys

• 25 soft toys

• 50 soft toys

Beatrice has 100 penguins and is going to split them into 5 boxes. How many penguins will be in each box?

• 105 penguins

• 95 penguins

• 10 penguins

• 20 penguins

Answer explanation

100 / 5 = 20