Can you place three balls such that the equation shown in the picture holds true?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

How many times in a given day, minutes and hour clock comes in a straight line ?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

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 ?

If it took eight men ten hours to build a wall, how long would it take four men to build it?