I have branches, but no fruit, trunk or leaves. What am I?

What jumps when it walks and sits when it stands?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

What does it mean?

What jumps when it walks and sits when it stands?

When it's bad luck to meet a black cat?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

In a particular village, only two barbershops exist.

The first shop has a handsome barber with a neat haircut who is handsomely dressed in clean clothes and is extremely humble with his body language. The place is clean and looks hygienic.

In the second shop, you can find a barber with shabby clothing. His hairs are weirdly cut and his clothes still have the stains from last night's dinner. The place is not clean as well and reeks a bit.

You visit the village for the first time and decide to get your haircut. Which barbershop will you like to go for that and why?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

What number comes next in the series?

5 15 5 18 5 24 14 20 _