Ashraf takes 1500 steps to walk d metres from his home to the station. Each step is 90 centimetres correct to the nearest 10 cm.
Find the lower bound and the upper bound for d.

In a certain pentagon, the interior angles are a,b,c,d,e where a,b,c,d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

Given abcd ac=38 and ae=3x+4 find the value of x