Question

look at the following number pattern
1
2,3,4
5,6,7,8,9
--------------
----------------

a) write the next line of this pattern
b)write the sequence of last number in each line
c)what will be the first and last number in the 10th line​

Answer 1

Answer:

10,11,12,13,14,15,16

17,18,19 20,21,22,23,24,25

Step-by-step explanation:

you can see it follow odd number patter

1

3

5

7

9

Answer 2

Answer:

First we will complete this number pattern, until 10th line :-

1

2,3,4

5,6,7,8,9

10,11, 12, 13,14,15,16

17, 18,19,20,21,22,23,24,25

26,27,28,29,30,31,32,33,34,35,36

37,38,39,40,41 , 42,43,44,45,46,47,48,49

50,51 , 52 , 53 , 54 , 55, 56,57, 58,59 60,61,62

63, 64,65,66,67,68,69,70,71,72 ,73,74,75,76,77,78,79

80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98

Now ,

a) 10,11,12,13,14,15,16

b) 1, 4,9,16,25,36 49,62,79,98

c) First no. :- 80

Last no. :- 98

Hope that it will help you