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

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Replace the question mark with the correct number below.

Next Number in the Series,

5, 16, 49, 104, ?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

Decode this picture on T-Shirt and tell what it says ?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Move three sticks of the spiral below to form a square.