Question

Missing number of the series : 13, 221, 17, 19, 437, 23, 29, x, 31

Answer 1

Answer:

899

Step-by-step explanation:

look 221÷13=17

437÷19=23

x÷29=31

x=31×29=899

the final answer is 899

Answer 2

Answer:

In the numbers

13, 221, 17, 19, 437, 23, 29 , x, 31,

Then value of x is 899

Step-by-step explanation:

Given

13 , 221, 17, 19, 437, 23, 29 , x, 31

The pattern is that

The first three numbers,

221 ÷ 13 = 17

The next three numbers

437÷ 19 = 23

The last three numbers should be such that

x ÷ 29 = 31

So,

x /29 = 31

x = 29*31

x = 899

So, the answer is 899