Search found 7 matches
Please Ian can you evaluate the level of difficulty of that question , let say on a scale of 1 to 10 ??
because in my learning , I am always afraid to do only simple questions and not the kind of hard questions that will give me a good grade on the exam !
thx you
- by ben2pop
Tue Dec 01, 2009 4:56 am- Forum: Problem Solving
- Topic: Difficult?
- Replies: 10
- Views: 14863
How many integers from 0 to 50, inclusive, have a remainder of 1 when divided by 3 ? You need to think in that way , k=3a+1 so try few numbers to find how the sequance behave .. K= 3*0+1 -------> 1 K=3*1+1 --------> 4 K=3*2+1 --------> 7 K=3*3+1 --------> 10 K=3*4+1 --------> 13 so you can see that ...
- by ben2pop
Mon Nov 30, 2009 2:04 am- Forum: Problem Solving
- Topic: Remainder Dilemma
- Replies: 20
- Views: 8172
I think we can make it shorter : We know that I=S+E1 I=income , S =saving ,E1=Expense first year E2=S(1+r) E2 = Expense year 2 and we need that E2=(1/2)E1 so S(1+r)=(1/2)(I-S) --> S(1+r)+(1/2)S = (1/2) I ---> S(1+r+(1/2))=(1/2)I ---> (2+2r+1)=I/S--> 2r+3= I/S So S/I = 1/ (2r+3 ) Answer E
- by ben2pop
Tue Nov 24, 2009 8:07 am- Forum: Problem Solving
- Topic: Quant - Help!!
- Replies: 15
- Views: 11487
It is E , the answers a inversed , you have to check in the math II answers
Another time thank you Stuart Kovinsky
- by ben2pop
Sun Nov 15, 2009 11:27 am- Forum: Data Sufficiency
- Topic: Who the heck wrote these questions??
- Replies: 3
- Views: 3924
hey ,
can you explain how did you get to 3150=(3^2)*(5^2)*2*7
I mean did you do it by head or do you have a technique ?
- by ben2pop
Fri Nov 13, 2009 4:47 am- Forum: Problem Solving
- Topic: square of an integer
- Replies: 6
- Views: 13327
inequatiions
hey guys can someone could help me to figure out this question please ?? Q16: If x and y are positive, is x^3 > y? (1) squarroot(x) > y (2) x > y I thought that if xand y positiv so squar root X> y --> x>y^2 so X^3>y^6 > y The answer is E Can someone explaim me please ??
- by ben2pop
Fri Nov 13, 2009 1:39 am- Forum: Data Sufficiency
- Topic: inequatiions
- Replies: 1
- Views: 921
- by ben2pop
Wed Nov 11, 2009 1:52 am- Forum: Data Sufficiency
- Topic: group of 10
- Replies: 9
- Views: 6877