Question

add each of the following till you find the pattern and then complete it without calculation.
a) 1+2+3+4+5=
2+3+4+5+6=
4+5+6+7+8
5+6+7+8+9=
6+7+8+9+10=
7+8+9+10+11=

b)2+4
2+4+6
2+4+6+8
2+4+6+8+10​

Answer 1

Answer:

a 15

21

22

35

40

85

B 6

12

20

30

Answer 2

Answer:

A)15

20

30

35

40

45

B)6

12

20

30