What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

In a family supper, a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one daughter-in-law, and one mother-in-law need to sit at a table.

There are only seven chairs available at the place. How many more chairs do they have to borrow so that everyone can sit down together for the suppers if everybody requires a separate chair?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

Why do we preferably have round manhole covers and not square ones?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

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

It is always ahead of me yet I can never see it. What is it?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98