Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

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?

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

Replace the question mark in the picture below.

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

In the image below, can you find the value of an angle(y)

What does this rebus mean?

O
N
C
E
TIME

I am white when I am dirty, and black when I am clean. What am I?

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?