PrepScholar GMAT Diagnostic Quiz: Quant | Answers and Difficulties Included

[@amritasingh7458]

Where are the answers

[@Raj-Boukensha]

So if we get all questions right, what does that approximately come down to for the gmat score? Otherwise diagonistic test doesnt make much sense.

[@manasvisrivastava5393]

Hi Erika! I just wanted to say thank you for all the videos on this channel. Your video discussing 700+ level DS problems, and the other one about how you and Alan both scored 770, helped me a lot. With just 2 weeks of studies, I gave the GMAT last week and got the 99 percentile score that I was looking for. Your videos are well-researched and the techniques you teach are quite helpful. Please keep up the great work :) Cheers!

[@alexisfrench9153]

Was Question 5 changed? The answer and the explanation don't match what the question is in the video. Thanks!

[@gazmendfazlija7862]

Hi Erika! Thank you for posting great GMAT content via your KZbin Channel and your online blog. Both platforms are a great study treasure for any GMAT student out there and please keep up the great work. Will you please provide a detailed explanation for question #2 and #10? Especially for question #2, I spent way too much time and too much brainpower till I got the right answer. I was thinking this is a 700-800 level question. Please see below the answers and partial explanation for this Quant Diagnostic Quiz. 1. The three consecutive integers are 9,10 and 11. Their squares are 81, 100 and 121. The unit digit of the square of the next consecutive integer is 1 and the right answer is A. 2. From sentence 1 and 2 we can infer A+B=2000. From sentence 3 and 4 we can infer the second equation 1/4 of A + 1/20 of B = 260. The question asks for 1/4 of A = W? From these equations A=800 and 1/4 of A = 200. The correct answer is D. 3. 3900/7 = 557 and C. 550 is the closest answer. Answer choice C. is correct. 4. m/n=9/7 or n/m=7/9 then n-m/m => n/m - m/m => 7/9 - 9/9 = - 2/9. Answer choice A is correct. 5. x+y=3 and 2x+3y=5 then x=4 and y=-1. A is correct. 6. Answer choice C is correct because angle MNO is 75 degrees (3 x 25) 7. Answer choice D is correct because both statements convey that b is positive. 8. Answer choice E is correct because both statement convey the same equation 4W+7P=65. 9. Answer choice E is correct because b can be either 9 or -9 10. Answer choice B is correct because from the question stem we have A+B+C+D+F=60,000 and from the statement we have C= 4000 + A, D=4000+B and C+D= F - 8000. 3C+3D=60000 or C+D=20000 and D= 10000. But I am still not sure about this approach since I don’t know for sure whether C=D. Once again, I can’t emphasize enough; will you please provide a detailed explanation for question #2 and #10? Thank you in advance!

[@adityaguptavishu]

Gazmend Fazlija In 10th ,it is stated that C and D each recieved 4000 more than each of the other two. If C is 4000 more than A and 4000 more than B and also same with D , then it suggests both are same otherwise they will contradict the statement. C = A +4000 = B + 4000 D = A +4000 = B + 4000 then C and D are same