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

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

How many triangles are there on the puzzle below?

Below rebus represent famous DiCaprio movie. Can you name it?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

John is found dead in his office at his desk. The police have narrowed the suspects down to three people: Mrs. Jacob, John’s wife Hena and his business partner Jason . All three visited John on the day of his murder, but all three provide the police with stories of explanation as to the reason for their visit.
Police found John with his wrist watch still on his right arm, a torn up picture of his wife laying on the floor beside the trash can, and an ink pen in his right hand. On the desk, the police found a name plate, a telephone that was off the hook, and a personal calendar turned to the July 5th page with 7B91011 written on it. After examining this evidence, the police knew their suspect. Who was it ?

I am lying and I always lie. Tell me whether I am lying or telling the truth.