What English word has three consecutive double letters?

Keyboard words are not in alphabetical order, Why?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

What does the below rebus riddle means?

You can hear me, but you can't touch or see me.

What am I?

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?