If a/b=7 then a+b/a-b is?
Pointing to a man, a woman said "His mother is the only daughter of my mother" How is the woman related to that man ?
Which is the smallest fraction ?
The only number that is the perimeter and area of the same square
What is the multiplicative inverse of 3 1/3 ?
If x/2 = (x-1)2. Find x.