## Question

`Find the missing number (x) in the sequence 0,0,3,7,x,26`

`Find the missing number (x) in the sequence 0,0,3,7,x,26`

A. 15

B. 17

C. 8

D. 25

**Answer: C. 8**

**Solution:**

1^{2} − 1 = 0,

1^{3} − 1 = 0,

2^{2} − 1 = 3,

2^{3} − 1 = 7,

3^{2} − 1 = 8,

3^{3} − 1 = 26

**Hence, The answer is 8.**

**Read more:**

**If a − b = 4 and ab = 21, find the value of a^3 − b^3.**