How is a fly different from a mosquito?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'.

The candidate was selected immediately. Why?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

What is the next number in this matchsticks series riddle?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

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