An army recruit is training. He starts and runs 2 km East, then 3 km South, then 5.5 km West, then 4 km North, then 3.5 km East, where is he now with reference to the starting position?
If the letters in the word BACKFIELDS are arranged as in the English alphabetical order, then which letter will be to the second right of the letter 'F', after the rearrangement?
The weights of 4 boxes are 80, 60, 90 and 70 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes?