Question

cessor.
Triangular Pattern
Number
1
3
6
10
15
21
4. Represent the whole numbers by triangles as given below:
Observe the pattern and find out formula for triangular numbers.​

Answer 1

Explanation:

EDITING

The following passages have not

een edited. There is one error in each line.

Find the errors. Underline them and write the correct word.

1. Ordinary good looks depend on one's sense

of humour 'a

merry heart has its cheerful

and

countenance Joyfulness keeps the heart

but face

young. Laughter helps us to become better friends to

ourselves and others with whom we interact.

It was worthwhile being happy.

d.

The sympathetic nerves are close connected: when one

set of nerves carries bad news with the head, the nerves f.

reaching the stomach is affected and indigestion

makes ones miserable and doleful.

h.

6