Question

121+121=6
131+131=8
141+141=10
151+151=?

Answer 1

151 + 151 = 12

hope it helps

Answer 2

121+121 = 6

=> 2+2+(1×1)+(1×1) = 6

131+131=8

=> 3+3+(1×1)+(1×1) = 8

141+141=10

=> 4+4+(1×1)+(1×1) = 10

151+151

= 5+5+(1×1)+(1×1)

= 12

Hope this will correct.