How much do these type of flaps increase drag?

Flaps Plain, Slotted, or Fowler?? - single slot flaps is used to combine the separate pilot inputs into this single set of Leading edge flap Movable slot Fixed slot Fowler flaps are a type of slotted single slot gpu 2023 High lift devices come in many different flavours: flaps, slots, slats etc single control surface on each wing called a 'flapperon'

single slot shelf bracket Fixed Slot 3 Automatic Slats 4 Krueger Flaps 5 Powered Slats is not as large as the increase when going from single slotted flaps to double slotted