B VAT is charged at 17.5 %.
A quick way to work out the VAT on an item is to work out 10%, then divide this
by 2 to get 5%, then divide this by 2 to get 2.5%. Finally, add these three values
together.
Use this method to work out the VAT on an item costing £68.

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244