Keyboard words are not in alphabetical order, Why?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

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

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

How many times do a clock's hands overlap in a day ?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Count the Triangle in the figure given below:

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?