Answer: B) 531 Explanation: Given in the question that, there are 7 boys and 6 girls.  Team members = 5 Now, required number of ways in which a team of 5 having atleast 3 girls in the team =  6C3  x 7C2  + 6C4 x 7C1 + 6C5= 6x5x43x2x1 x 7x62x1 + 6x5x4x34x3x2x1 x 7 + 6x5x4x3x25x4x3x2x1= 420 + 105 + 6= 531.

We know that 1 yard = 3 feet.    A yardstick which is used for measurement has 3 feet long but it cannot walk.

Answer: B) Book Explanation: A book has a spine to hold all the pages, but it has no bones.

Answer: C) Antarctica Explanation: Africa - 54 countries South America - 12 countries Antarctica - 0 countries Europe - 43 countries.   Hence, Antarctica continent has the least countries.

Answer: C) Letters Explanation: We know that, a folder holds documents in the same way an envelope holds letters.   Hence, Folder : Document :: Envelope : Letter.

Answer: A) Air Explanation: Light travels fastest in Vacuum. The fastest thing in the whole universe is the speed of light in a vacuum like outer space. It is about 2.99 x 108 m/s.

While eating a watermelon, we all go along the red and stops at green.

Answer: C) Skateboard Explanation: A rowboat can be put into motion by using oar. Similaarly, a skateboard can be put into motion by using foot. The other options like walk and running are not objects to be in motion. And loafers are something worn on foot.   Hence, Oar : Rowboat :: Foot : Skateboard.