Search found 4 matches


X gallons contains x/100 gallons of fat
Y gallons contains 2Y/100 gallons of fat
Z gallons contains 3Z/100 gallons of fat

X+Y+Z gallons contains (X+2Y+3Z)/100 gallons of fat

Given that fat content is 1.5% of X+Y+Z gallons

Hence 0.015(X+Y+Z) = (X+2Y+3Z)/100

Solving for X gives X= Y+3Z

by parketizer

Tue Aug 24, 2010 10:48 am
Forum: Problem Solving
Topic: 1 mixture & allegations problem
Replies: 4
Views: 2823

From the question, to prove if x^2-y^2>0 From 1, x^2-y^2 = 2y+1 So x^2-y^2>0 only if y>=0 But no other info given hence Insufficient From 2 x^y = x! +|y| Just looking at this piece of info, I feel that this information is more to help decide if y>=0 than to actually prove x^2-y^2>0 Since RHS is +ve ...

by parketizer

Wed May 12, 2010 8:16 am
Forum: Data Sufficiency
Topic: is |x| > |y| ?
Replies: 4
Views: 1237

Lets see whether each choice favors borrowing of saving: (A) Tax relief on savings : favor savings (B) Tax relief for processing fees: favors borrowing (C) Tax relief for interest on credit cards : favors borrowing (D) Taxes on cash gifts received if you opened a savings account: does not favor savi...

by parketizer

Mon May 10, 2010 9:24 am
Forum: Critical Reasoning
Topic: 1000CR Question No 16 : Test 20
Replies: 3
Views: 1338

I'll give it a try: 1. When x is divided by 2y, the remainder is 4. => X = (Multiple of 2y) + 4 => X = (Multiple of y) + 4 => When x is divided by y, the remainder is 4. 2. When x +y is divided by y, the remainder is 4. (x+y)/y = x/y+y/y y/y will have remainder of 0, so the remainder 4 is from x/y I...

by parketizer

Tue May 04, 2010 1:20 pm
Forum: Data Sufficiency
Topic: A number property Question
Replies: 3
Views: 987