What number comes next in the series?

5 15 5 18 5 24 14 20 _

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

what does this below rebus represent identXQQQQQME

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Two friends decide to get together; so they start riding bikes towards each other. They plan to meet halfway. Each is riding at 6 MPH. They live 36 miles apart. One of them has a pet carrier pigeon and it starts flying the instant the friends start traveling. The pigeon flies back and forth at 18 MPH between the 2 friends until the friends meet.

How many miles does the pigeon travel?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Prove that the below maths equation is true.

8 + 8 = 91

John was piloting a plane behind a car but was never able to overtake it. Why?