Today’s ACT question of the day is a great ratio question to review no matter which test you’re taking.
In a shipment of 1,000 light bulbs, 
of the bulbs were defective.
What is the ratio of defective bulbs to nondefective bulbs?
When we are dealing with ratios, we have to consider the different types: part-to-part and part-to-whole. Continue reading
Today’s SAT question of the day is an algebra question that’s rated hard – but I don’t think you’ll agree with the rating!
The question:
If x + 2x is 5 more than y + 2y, then x – y =
Step 1: translation. Continue reading
Thurgood Marshall, 1967
Today’s SAT question of the day is an identifying sentence errors question with a classic error.
According to this sentence, Thurgood Marshall is known for his quest to end racial discrimination, his opposition to the death penalty, and he supported free speech and civil liberties. Continue reading