What is the Surname of Barbie Doll?

How many triangles are there on the puzzle below?

Replace the question mark with the correct number in below Picture:

The cream is heavier than Milk. True or False?

While sitting in the Car, John suddenly finds that one of the wheels was missing. John noticed that a killer is approaching towards him. John cannot get out of the car.

How will John escape?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

What does this say?

XLR8

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?