If Thursday was the day before yesterday five days ago, what is the least number of days ago when Sunday was three days before the day after tomorrow. Kindly explain in detail how to approach the problem.
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?
frank
It is a mathematical fact that the casting of this pebble from my hand alters the centre of gravity of the universe.