If 1+9+8=1, what is 2+8+9?

You along with your friend are standing in front of two houses. Each of those houses inhabits a family with two children.

Your friend tells you the below two facts:
1) On your left is a family that has a boy who likes accounts but the other child loves science.
2) On the right is a family with a seven-year-old boy and a newborn baby.

You ask him, "Does either of the family have a girl?"

To this, he replies, "I am not quite sure. But can you guess that? If you are right, I will give you $500."

Which family do you think is likely to have a girl?

What does below rebus means ?

What is the next shape from answers A, B, C, and D figure?

A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If somehow, the weight on the bridge becomes more than that, it will break.

Now, the weight of the car is exactly 1500kg. At the midway, a bird comes and sits on the roof of the car. This bird weighs exactly 200 grams.
Can you tell if the bridge breaks at this point or not?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

What is always in front of you but can’t be seen?

Can you find the six hidden animals in the picture below?

What does this rebus puzzle means ?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?