Answer: B) to a mooring buoy Explanation: Mooring buoy are white with a blue horizontal band. They usually are placed in marinas and other areas where boats are allowed to anchor. These are the only buoys you may tie up to legally.

Answer: A) Football Explanation: Top five most popular games world wide are :   Game name              -      Estimated  fans     -    Popular Regions   1. Soccer / Football      -      3.5 Billion    -     Europe, Africa, Asia, America 2. Cricket                    -      2.5 Billion     -    Asia, Australia, UK 3. Basketball               -      2.2 Billion     -    US, Canada, China and Philippines 4. Field Hockey           -       2 Billion       -     Europe, Africa, Asia, Australia 5. Tennis                    -       1 Billion       -     Europe, Americas, and Asia.

Answer: A) 15 metres Explanation: As clear from the diagram, AD2=122+92=152 So AD = 15

Answer: C) higher frequency Explanation: As the frequency of sound is higher, women have shriller voices than men. The shrillness or pitch of a sound is determined by its frequency. The higher the pitch shriller the voice. As the sounds produced by vocal cords of women are higher than men so women have shriller voices than men. Because their vocal cord is of smaller size. As their vocal cord is more stretched than men's.