GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
Apr 24Get an Extra 30% Off Target Test Prep Plans
08:00 PM EDT
-11:59 PM EDT
Grab 30% off any Target Test Prep GRE plan during our Flash Sale and join Brian and many other students who have used Target Test Prep to score high on the GRE. Just enter the coupon code FLASH30 at checkout to save big.
The sum of two numbers is 13, and their product is 30. What
[#permalink]
04 Apr 2019, 04:19
04 Apr 2019, 04:19
Expert Reply
00:00
Question Stats:
91% (01:02) correct
8% (00:46) wrong based on 24 sessions
Hide Show timer Statistics
The sum of two numbers is 13, and their product is 30. What is the sum of the squares of the two numbers?
(A) –229
(B) –109
(C) 139
(D) 109
(E) 229
(A) –229
(B) –109
(C) 139
(D) 109
(E) 229
Re: The sum of two numbers is 13, and their product is 30. What
[#permalink]
04 Apr 2019, 20:50
04 Apr 2019, 20:50
4
Carcass wrote:
The sum of two numbers is 13, and their product is 30. What is the sum of the squares of the two numbers?
(A) –229
(B) –109
(C) 139
(D) 109
(E) 229
(A) –229
(B) –109
(C) 139
(D) 109
(E) 229
Here,
Let x and y be 2 nos. , we need to find out the value of x^2 + y^2
given,
x + y =13
or \((x + y)^2 = 13^2\)
or \(x^2 + y^2 + 2xy = 169\)
or \(x^2 + y^2 + 60 = 169\)
or \(x^2 + y^2 = 109\)
Re: The sum of two numbers is 13, and their product is 30. What
[#permalink]
16 Sep 2019, 07:26
16 Sep 2019, 07:26
3
Carcass wrote:
The sum of two numbers is 13, and their product is 30. What is the sum of the squares of the two numbers?
(A) –229
(B) –109
(C) 139
(D) 109
(E) 229
(A) –229
(B) –109
(C) 139
(D) 109
(E) 229
pretty sure this solution needs to be edited. The answer is D: 109
