What four weights can be used to balance from 1 to 30 pounds?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

Prove that the below maths equation is true.

8 + 8 = 91

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

10+10 and 11+11 can give you the same answer.

Explain how?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?