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GMAT prep - Quant question
I've had the following question and its answer without explanation. Could someone explain me the solution? Thanks! For every positive integer n, the function h(n) is defined to be the product of all the even integers from 2 to n, inclusive. If p is the smallest prime factor of h(100)+1, then p is: A...
- by NadineKh
Wed Sep 13, 2017 8:17 am- Forum: Problem Solving
- Topic: GMAT prep - Quant question
- Replies: 3
- Views: 1190
Thank you very much!!
It also helped me interpreting it more intuitively: since we have delta (differences between estimation and reality) in both numerator and denominator, we can't have an idea of the % deviation without knowing the value of the ratio.
- by NadineKh
Tue Aug 15, 2017 10:19 am- Forum: Data Sufficiency
- Topic: OG question 134 - estimated avg speed
- Replies: 4
- Views: 2938
OG question 134 - estimated avg speed
In planning for a car trip, Joan estimated both the distance of the trip, in miles, and her average speed, in miles per hour. She accurately divided her estimated distance by her estimated average speed to obtain an estimate for the time, in hours, that the trip would take. Was her estimate within 0...
- by NadineKh
Tue Aug 15, 2017 1:00 am- Forum: Data Sufficiency
- Topic: OG question 134 - estimated avg speed
- Replies: 4
- Views: 2938
Hi Tapas Gupta, You should check the 60-day Study Guide. It's very well done and structures your study by sending you a daily email with detailed instructions on what to study, in which material. It's free but requires you to buy the official GMAT book and Manhatan prep (if you prefer studying in bo...
- by NadineKh
Wed Aug 09, 2017 5:58 am- Forum: GMAT Math
- Topic: How to prepare for Quant
- Replies: 18
- Views: 6553
Is it possible to chose the quant vs verbal order ?
Hi, I'm following the 60-day GMAT study guide. On day 3, I took the diagnostic test and score 48 in quant and 32 in verbal. I hence clearly need to improve the verbal part. However, the first ~20 days of the preparation tackle math problems. As I'd like to focus mainly on verbal and see if I'll need...
- by NadineKh
Sun Aug 06, 2017 1:46 am- Forum: The 60-Day GMAT Study Guide
- Topic: Is it possible to chose the quant vs verbal order ?
- Replies: 1
- Views: 1742