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.

The cow is tied to the immediate left of

The IQ of 7 boys B1, B2, B3, B4, B5, B6 and B7 is tested and the values are compared. B2 has a higher IQ than B6. B5 has the third lowest IQ. B4 has a higher IQ than 6 boys. B3 has an IQ less than B2. B1 has a higher IQ than B2. B7 has the least IQ. Who has the second highest IQ?

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?

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?

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?