The area of circle is , and the area of circle is . What is ratio of the circumference of circle to the circumference of circle . (A) 2.5 : 1 (B) 5 : 2 (C) 5 : 4 (D) 25 : 16 (E) …

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## Do You Know Your Divisibility Rules

For which of the following values of is NOT an integer? (A) (B) (C) (D) (E) [math]7[/math] …

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## The Power of Automaticity

Automaticity is the ability to do things without occupying the mind with the low-level details required, allowing it to become an automatic response pattern or habit. It is usually the result of …

## An LCM DS Problem

Is x divisible by 12? (1) x is divisible by 3 and 4. (2) x is divisible by 2 and 6. …

## Testing Numbers in Quantitative Comparison

, , and are integers, and is greater than Quantity A Quantity B (A) Quantity A is greater. (B) Quantity B is …

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## Factors in Factorials 1

For how many positive integer values of is a factor of ? (A) 11 (B) 12 (C) 13 (D) 14 (E) 15 …