Question

Solve it... What will be there in "?"
2 6 18
4 20 100
? 21 147​

Answer 1

Answer:

3.....................

Answer 2

3

1st row 3a=b and 3b=c

2nd row 5a =b and 5b=c

3rd row 7a=b and 7b=c

[3 5 7 consctv. odd. no.]

7a=21

a=3