Search found 555 matches
Hello Everyone! Let's tackle this question, one thing at a time, and narrow down our choices to the right one! To start, let's take a quick look at the original question and highlight any major differences between the options in orange : Of all the scandals of 1984 election season, maybe none is con...
- by EconomistGMATTutor
Tue Oct 01, 2019 1:13 pm- Forum: Sentence Correction
- Topic: Of all the scandals of 1984 election season, maybe none is
- Replies: 1
- Views: 677
Hello Everyone! This is a great example of a GMAT question that focuses on pronoun-antecedent agreement and collective nouns ! Let's start by taking a quick look at the original question and highlighting any pronouns we can find in orange : The company will cover the entire cost of the training, req...
- by EconomistGMATTutor
Mon Sep 30, 2019 4:29 pm- Forum: Sentence Correction
- Topic: The company will cover the entire cost of the training,
- Replies: 1
- Views: 710
Hello Everyone! Let's tackle this question, one thing at a time, and narrow down our choices to the right one! To begin, let's take a quick look at the options and highlight any major differences in orange : Shunned by literary critics for decades as something fit only for youthful consumption, the ...
- by EconomistGMATTutor
Thu Sep 26, 2019 3:40 pm- Forum: Sentence Correction
- Topic: Shunned by literary critics for decades as something fit
- Replies: 1
- Views: 623
Hello Everyone! Let's tackle this question, one thing at a time, and narrow it down to the correct choice! To begin, here is the original question with any major differences between the options highlighted in orange: In the past several years, astronomers have detected more than 80 massive planets, ...
- by EconomistGMATTutor
Thu Sep 12, 2019 11:41 am- Forum: Sentence Correction
- Topic: In the past several years, astronomers have detected more
- Replies: 1
- Views: 998
Hello M7MBA. Let's take a look at your question. We have one prime number "a" that is greater than 2 and less than 6. Hence a=3, 5. The other primer number "b" is greater than 13 and less than 25. Hence b=17, 19, 23. Hence, the possible products are: If a=3 then if b=17----------...
- by EconomistGMATTutor
Mon Feb 26, 2018 3:20 am- Forum: Problem Solving
- Topic: The product P of two prime numbers is between 9 and 55.
- Replies: 2
- Views: 2067
Which of the following has the same value as 5^6? A. 30 B. 25^2 C. 50^3 D. 125^2 E. 250^3 The OA is the option D . Experts, how can I rewrite 5^6 to find the correct answer? Can you help me? I don't know how to solve it. Hello M7MBA. Let's see. How you asked, we have to rewrite the expression as fo...
- by EconomistGMATTutor
Mon Feb 26, 2018 2:58 am- Forum: Problem Solving
- Topic: Which of the following has the same value as 5^6?
- Replies: 3
- Views: 1484
Hello M7MBA. Let's take a look at your question. We have two numbers which product is 36, that is to say, $$a\cdot b=36.$$ The options for a and b are: a=1, b=36 --------a+b=37. a=2, b=18 --------a+b=20. a=3, b=12 --------a+b=15. a=4, b=9 ----------a+b=13. a=6, b=6-----------a+b=12. b=9, a=4--------...
- by EconomistGMATTutor
Mon Feb 26, 2018 2:52 am- Forum: Problem Solving
- Topic: Which one of the following is the minimum value of
- Replies: 3
- Views: 1927
If the surface area of a certain cube is 2400, what is its volume? A. 8000(√6)^3 B. 1000(√6)^3 C. 8000 D. 6400 E. 4000 The OA is C . We know that the surface area of a cube is 6s^2, then $$6s^2=2400\ \Rightarrow s^2=400\ \Rightarrow s=20$$ Also, we know that the volume of a cube is s^3, then $$...
- by EconomistGMATTutor
Sat Feb 24, 2018 2:22 am- Forum: Problem Solving
- Topic: If the surface area of a certain cube is 2400, what is...
- Replies: 2
- Views: 1457
Hello LUANDATO. We have to look at this question carefully. Let's say that the selling price is $100. Then, 20% profit means that the cost price is $80 and $20 is the profit obtained. Now we need to find what percent of $80 represents $20: $80--------------100% $20---------------x% Therefore, $$x=\f...
- by EconomistGMATTutor
Sat Feb 24, 2018 2:13 am- Forum: Problem Solving
- Topic: If a merchant makes a profit of 20% based on the selling...
- Replies: 2
- Views: 8396
Jerry and Ross decide to have a footrace. They run 1,000 meters. Jerry runs 5 meters per second and Ross 4 meters per second. Halfway through the race, Jerry realizes he is ahead and stops running for one full minute before finishing the race at the same speed. Who wins the race? A. Jerry B. Ross C...
- by EconomistGMATTutor
Sat Feb 24, 2018 2:02 am- Forum: Problem Solving
- Topic: Jerry and Ross decide to have a footrace. They run 1,000...
- Replies: 1
- Views: 757
Hello AAPL. Let's take a look at your question. The following image shows how the walked. https://s10.postimg.org/5wsl1g0et/Rectangle.png Now, we can see that the distance walked by Peter is: $$\sqrt{160^2+300^2}=\sqrt{25600+90000}=\sqrt{115600}=340\ ft$$ On the other hand, the distance walked by Ja...
- by EconomistGMATTutor
Tue Feb 20, 2018 2:33 am- Forum: Problem Solving
- Topic: Peter and Jacob are at the northwest corner of a field...
- Replies: 1
- Views: 861
Hello Roland. Let's take a look at your question. There is something that is not clear in the wording. Watching the answers, this PS should be solved like this: In each case, the orange candy is the cheapest, therefore in both cases, the discount will be 30 cents. Hence, the difference is $0. The co...
- by EconomistGMATTutor
Tue Feb 20, 2018 2:08 am- Forum: Problem Solving
- Topic: In a certain candy store in New York
- Replies: 2
- Views: 821
The area of one square is x^2 + 10x + 25 and the area of another square is 4x^2 - 12x + 9. If the sum of the perimeters of both squares is 32, what is the value of x? A. 0 B. 2 C. 2.5 D. 4.67 E. 10 The OA is the option B. What are the equations that I should use here? Experts, may you tell me how t...
- by EconomistGMATTutor
Mon Feb 19, 2018 12:08 pm- Forum: Problem Solving
- Topic: The area of one square is x^2 + 10x + 25 and the area
- Replies: 4
- Views: 2243
Hello AAPL. Let's take a look at your question. Let's assume Dawn speed is 6mts/sec and Paul speed= 1mts/sec. The combined speed is 5 mts/sec. If she ran for 2 minutes, then their distance is (5mts/sec)*(120sec)=600mts. Paul running at 1m/sec covers 600 meters in 600 secs = (600sec)*(1minute/60 sec)...
- by EconomistGMATTutor
Sun Feb 18, 2018 4:19 am- Forum: Problem Solving
- Topic: Dawn chases her young brother Paul. She runs at a...
- Replies: 2
- Views: 784
A telephone company charges x cents for the first minute of a call and charges for any additional time at the rate of y cents per minute. If a certain call costs $5.55 and lasts more than 1 minute, which of the following expressions represents the length of that call, in minutes? (A) $$\frac{555-x}...
- by EconomistGMATTutor
Sun Feb 18, 2018 3:38 am- Forum: Problem Solving
- Topic: A telephone company charges x cents for the
- Replies: 2
- Views: 1086