Mr. Hashem owns a mango garden withs 220 mango trees in it. Each mango tree of that garden produces from 20 to 30 pounds of mangoes each year. Which of the following could be the total number of pounds of mangoes produced per year?

If a : b = 3 : 5 and a : c = 5 : 7, what is the value of b : c?

If 3 is added to both the numerator & the denominator of a fraction, it becomes 5/7. If 9 is subtracted from b...

If 25% of 220 equals 5.5% of w, then what is w?

In a certain village, m liters of water are required per household per month. At this rate if there are n hous...

If 4x larger than the sum x & 3y by 9, then x is larger than y by how much?

Experts say that 25% of all serious bicycle accidents involve head injuries and of all such head injuries, 80%...