How many matches are needed to build a 2x3 grid?

(a)  

The word PACE is written repeatedly. 2021 letters are written in all. What is the last letter written?

(a)  

I used 22 matches to build a row of squares. How many squares did I build?

(a)  

What is the next number in the number pattern:

2, 5, 11, 23, (a)  

Complete the number pattern :

4, 9, 16, 25, (a)  

Complete the number pattern:

1, 2, 4, 8, 16, (a)  

Complete the number pattern :

1, 4, 5, 9, 14, (a)  

Complete the number pattern:

11, 12, 14, (a)   , 21, 26

1, 2, 2, 3, 3, 3, 4, 4, 4, 4, (a)  

Complete the number pattern :

1, 8, 27, (a)  

What is the 10th number in the following pattern?

1, 5, 9, 13, ...

(a)  

How many numbers are in the following sequence?

3, 7, 11, ..., 55

(a)  

5 is the 2nd number in a sequence, 32 is the 5th number in the same sequence. What is the difference between the 1st and 2nd numbers?

(a)  

How many dots are in the 10th pattern?

(a)