Study the following pattern.
- In which column will the number 81 appear?
- What number will appear in row 51 column 6?
(a)
Numbers in two rows = 7
Row where the number 81 will appear in
= 81 ÷ 7
= 11 r 4
Number 81 will appear in column 7.
(b)
Number of numbers in 50 rows
= 50 ÷ 2 x 7
= 175
Number that will appear in row 51 column 6
= 175 + 3
= 178
Answer(s): (a) $(n6); (b) 178