Q, R, S, T, U, V and WTHE flavour of cake – strawberry, mango, vanilla, pineapple, chocolate, butterscotch, red velvet and caramel.1) There are three boxes between box V and W which are having Chocolate flavour cake.2) Box V is placed above W but W is not placed at the bottom.3) There are two boxes between V and U which is having Red velvet flavour cake. NumberCASE 1CASE 2CASE 3BoxesCake’s FlavourBoxesCake’s FlavourBoxesCake’s Flavour8V 7 V 6 V 5URed velvet 4WChocolateURed velvet 3 WChocolateURed velvet2 WChocolate1 4) Butterscotch flavour cake box is placed just above V.(CASE 1 is eliminated as there is no PLACE above V)5) Box W is placed just above the Vanilla flavour box.6) There is only one box between box Q and W. NumberCASE 2CASE 3BoxesCake’s FlavourBoxesCake’s Flavour8 Butterscotch 7V Butterscotch6 V 5Q 4URed velvetQ 3WChocolateURed velvet2 VanillaWChocolate1 Vanilla 7) There are two boxes between box S and Q and box S does not have Vanilla flavour cake.8) There is the same number of boxes between box S and U and between box R and T. (Only 1 place and 1 person left it means P is placed at that position) NumberCASE 2CASE 3BoxesCake’s FlavourBoxesCake’s Flavour8SButterscotchP 7V SButterscotch6R/T V 5Q R/T 4URed velvetQ 3WChocolateURed velvet2T/RVanillaWChocolate1P T/RVanilla 9) Strawberry flavour box is placed above the Mango flavour box.10) There are more than three boxes between Pineapple and Vanilla flavour box.11) There are more than three boxes between Caramel and Vanilla flavour box.(In CASE 2, we can not FIX 11 and 12 because Only 1 position left. So, Case 2 is eliminated)12) Pineapple flavour box is not on the Top.13) Box T is neither Strawberry nor Butterscotch flavour.(So, Box T is Vanilla flavour) NumberCASE 3BoxesCake’s Flavour8PCaramel7SButterscotch6VPineapple5RStrawberry4QMango3URed velvet2WChocolate1TVanilla Final Solution; NumberCASE 3BoxesCake’s Flavour8PCaramel7 SButterscotch6VPineapple5RStrawberry4QMango3URed velvet2WChocolate1TVanilla There are four boxes between P and the one who like Red velvet.Hence, the ANSWER is four.