What always comes into a house through the keyhole?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

What makes this number unique: 8,549,176,320?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

What goes up but never comes down?

One day Jenifer meets the Lion and the Tiger in the Forest of Forgetfulness. She knows that the Lion lies on Mondays, Tuesdays, and Wednesdays, and tells the truth on the other days of the week. The Tiger, on the other hand, lies on Thursdays, Fridays, and Saturdays, but tells the truth on the other days of the week. Now they make the following statements to Jenifer:

Lion: Yesterday was one of my lying days.

Tiger: Yesterday was one of my lying days too.

What day is it?

Can you find the hidden animal in the picture below?