A is longer than F, which is smaller than three persons. C is shorter than D who is tallest, B is taller than E, C is neither shorter than F nor taller than A. Who among the following is the second youngest person?

The position of how many digits in the number 6147982 will remain same after the digits within the number are arranged in descending order? 

Z is shorter than Y but taller than X. W is shorter than Z but taller than X and V is shorter than Y but taller than Z. The shortest person is?

Direction : Six animals-horse, cow, pig, dog, donkey and goat are tied to a pole each, in a circle, facing each other, in random order.
Consider the following information and answer the questions based on it.
1. Goat is to the immediate right of pig.
2. Cow is not tied next to either donkey or dog.
3. If the animals mark the vertices of a hexagon, then the horse is diagonally opposite to the pig.

Which pair is tied next to each other?

Direction : Six animals-horse, cow, pig, dog, donkey and goat are tied to a pole each, in a circle, facing each other, in random order.
Consider the following information and answer the questions based on it.
1. Goat is to the immediate right of pig.
2. Cow is not tied next to either donkey or dog.
3. If the animals mark the vertices of a hexagon, then the horse is diagonally opposite to the pig.

Which animal is tied to the immediate left of pig?