What English word has three consecutive double letters?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

Find out the missing number in the picture attached:

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

Can you tell a 3D object that has just two surfaces?

In which direction should the missing arrow point?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

It was a dark stormy night and a couple were in a car driving madly to a city. The car broke down and the husband had to go get help from someone who spoke his language. He was afraid to leave his wife alone in the car so he locked the car before leaving. When he came back, the car was in the same state as he had left it but his wife was dead, there was blood on the floor and there was a stranger in the car. What happened?

What does this mathematical rebus means ?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.