Question

riends You know that numbers can also form patterns. We also see
ymmetrical patterns all around of us. Symmetry means having the same
atterns on both sides laterally, on top or bottom. For example, the
ings of butterflies have symmetrical patterns on both the wings.
Exercise 7
write a line to say what pattern is followed by each. One has been done for you.
Given below are some numerical patterns. Look at each one of them carefully and
A
The pattern here is counting by 5.
1. 120, 125, 130, 135, 140, ...
2. 1, 2, 4, 8, 16, 32,
3. 10, 20, 40, 80, ..
4. 90, 81, 73, 66, 60, 55, ...
5. 100, 110, 90, 100, 80, 90, ...​

Answer 1

Answer:

1= by 5

2=×2

3=×2

4=-9then-8then-7and so on

5=+10then-20