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 length of the sides of a triangle are in integers and its area
>is also an integer. One side is 21 cm and the perimeter is 48 cm,
>then the length of the shortest side is :
A number of friends decided to go on a picnic and planned to spend Rs.960 on food. Four of them, however, did not turn up. As a consequence, the remaining ones had to contribute Rs.40 each extra. The number of those who attended the picnic was: