What English word has three consecutive double letters?

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

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

I shave every day, but my beard stays the same. What am I?

It is always ahead of me yet I can never see it. What is it?

What kind of band never plays music?

Find the number of squares in the below picture

Can you write down eight eights so that they add up to one thousand?

Can you count the number of triangles in the given picture?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?