Question

See this number pattern carefully. Every row of numbers has a certain relation with the numbers in the row just above it.
img 1
Given below is a part of this pattern.

img 2

What number should replace 'x'?

Answer 1

Answer:

5

Step-by-step explanation:

x +2x=15

3x =15

x=15/3

x=5

Answer 2

Answer: 1,5,10,10,5,1

Step-by-step explanation:

Add a 0 at the start of every line.

Then add the numbers left and right,

So 0+1 = 1, 0+1=1

Keep on Doing it for each row