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

Can you find the number?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Replace the question mark with the correct number in the below-given picture?

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?

Can you solve the below geography rebus by decoding the below rebus ?

When it is alive we sing, when it is dead we clap our hands. What is it?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

When is the top of a mountain similar to a savings account?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)