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

Can you find the number?

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?

Solve the counting riddle by identifying the number of triangles in the given picture.

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Identify the next two numbers in this series.

101, 112, 131, 415, 161, 718, ???, ???

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

Why is a river so rich ?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.