Question

Number series a)152,158,170,190,220,

Answer 1

152 + 6 158 + 12 170 + 20 190 +30 220

Answer 2

Answer:

$152 + 6 (2 + 4)= 158 \\ 158 + 12(6 +6) = 170 \\ 170 + 20(12 + 8) = 190 \\ 190 + 3 0 (20 + 10) = 220 \\ 220 + 42(30 + 12) = 262$