Consider the pattern below, find the sum of the first 6 numbers in the sequence?
1, 3, 9, 27, ...

By observing the pattern, what is the English letter in the space provided?
C , m , D , n , E , o , F , p , G , _

What is the suitable number to replace the @ below?
12 , 20 , 30 , 42 , 56 , @, ...

Refer to the pattern below, how many => are there in the 5th group?

The age of Ashley 5 years ago is equal to the age of Amy 4 years later. When Ashley is 20 years old, how old is Amy?

The age of Sammy 3 years later is equal to the age of Joseph 6 years ago. How old is Sammy when Joseph is 18 years old?

There are 35 animals including penguins and giraffes in the zoo. Their total number of legs is 94. How many giraffes are there?

62 students line up where Alice is the 37th starting from the front. How many student(s) is / are behind her?

Amy bought a pair of beautiful shoes. Her classmates never saw this pair of shoes before.
So, they start guessing.
Peter said that “Your shoes are not red.”
John said that “Your shoes are either blue or black.”
Andy said that “Your shoes must be black.”
Within the point of view of these 3 people, only one of them is wrong.
What colour are Amy’s shoes?