The small square X is a flower plot in a square garden ABCD. If it takes one roll of wire netting to fence up the flower plot completely, how many rolls would be needed to fence up the entire garden which consists of 4 flower plots?
I think of a number A. When A is divided by 3, I get B. When 40 is added to B, I get C. When C is multiplied by 2, I am left with a number D which is 2 less than 100. What is A?
I think of a number W. I square the number and I get X. The number X is one-third of Y. When I add Y to another number Z, I get 384 which is double of Z. What is W?
Which one of the following figures is different from the rest? (The figures are numbered 1 to 5: the top row from left to right is 1, 2, 3, and the bottom row from left to right is 4, 5.)