A blacksmith has five iron articles A, B, C, D and E, each having a different weight. (i) A weights twice as much as B. (ii) B weights four and a half times as much as C. (iii) C weights half as much as D. (iv) D weights half as much as E. (v) E weights less than A but more than C.
Which of the following articles is the heaviest in weight ?
If white is called blue, blue is called red, red is called yellow, yellow is called green, green is called black, black is called violet and violet is called orange, what would be the colour of human blood ?