The more of this there is, the less you see. What is it?

What work can one never finish?

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

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What does this simple rebus mean?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

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.

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

You need to arrange three 7 and mathematical symbols to form number 1?

_ _ _ IE _ _
_ _ _ IE _
_ _ IE _ _
_ _ IE _
_ _ _ _ IE

Like you see, some letters have gone missing from these words that contain the IE pair at some or the other place. The letters that will be used to fill the blanks are given below. Use them and form meaningful words. Can you do that?

A, C, D, F, H, K, L, M, N, N, O, R, R, S, S, S, T, T, Y and Y.