The correct option is
C 32,56,96,160From given, we have,
The cost of 1 apple =Rs.8
Therefore, the cost of 4 apples =4×Rs.8=Rs.32
Therefore, the cost of 7 apples =7×Rs.8=Rs.56
Therefore, the cost of 12 apples =12×Rs.8=Rs.96
Therefore, the cost of 20 apples =20×Rs.8=Rs.160