Question 3
Positive numbers are written in order beginning with 1 as shown in the table. The number 15 appears in row $R_1$, column $C_5$.
(a) If the pattern continues, what number is in row $R_7$, column $C_7$?
(b) In which position is the number 100?
(c) What number appears directly below the number 150?
(a) If the pattern continues, what number is in row $R_7$, column $C_7$?
(b) In which position is the number 100?
(c) What number appears directly below the number 150?