Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Different lights make me strange by changing me into different sizes. What am I?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

What Adam and Eve do not have but the rest of the people have?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

Why Aeroplane windows are round?