ISEE Lower Level Quantitative : How to find the part from the whole
Study concepts, example questions & explanations for ISEE Lower Level Quantitative
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Example Questions
Example Question #11 : How To Find The Part From The Whole
Kevin has 80 marbles and wants to give his brother 40% of them. How many will he keep?
40% of 80 can be calculated as
so Kevin will give his brother 32 marbles and keep
Example Question #12 : How To Find The Part From The Whole
Brianna's favorite song is 2 and a half minutes. There is a drum solo that begins one third of the way into the song and lasts for 24 seconds. How many seconds into the song does the drum solo end?
If a song is 2 and a half minutes long, it is 150 seconds long. If the drum solo starts one third of the way into the song, it will begin at the 50 second mark, since 50 is one third of 150.
Since the drum solo lasts for 24 seconds, it will end at the 74 second mark. Therefore, 74 is the correct answer.
Example Question #13 : How To Find The Part From The Whole
If yoga mats are on buy one get one free, and each mat is priced at $20, what is the average price of a mat, in dollars, if Beth buys four mats?
If mats are $20 each but also buy one get one free, each mat will be $10 on average, as long as an even number of yoga mats are purchased. Given that four is an even number, the average price of a yoga mat is $10.
Example Question #14 : How To Find The Part From The Whole
If you buy two books, the third is half off. All books cost $12. What is the average cost of a book if 3 books are purchased (in dollars)?
The three books will cost $12, $12, and $6.
Calculate the average:
Example Question #15 : How To Find The Part From The Whole
In the number 
Ten thousand's place
Thousand's place
Ten thousandth's place
Thousandth's place
Thousand's place
The number 6 is the thousand's place because 
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All ISEE Lower Level Quantitative Resources
