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fskilnik@GMATH
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58
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GMATH practice exercise (Quant Class 20)

The straight lines given by the equation 2(x^2)=2(y^2)-3xy are:

(A) parallel
(B) intersecting and they form a 30-degrees angle
(C) intersecting and t ...
fskilnik@GMATH
Replies:
2
Views:
70
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0
GMATH practice exercise (Quant Class 3)

If (r+1/r)^2 = 5, what is the value of (r^3+1/r^3)^2?

(A) 7.75
(B) 10
(C) 12.25
(D) 15
(E) 20
$${\left( {r + {1 \over r}} \right)^2} = 5\,\,\,\,\, ...
fskilnik@GMATH
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2
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69
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A dessert recipe calls for 50% melted chocolate and 50% raspberry puree to make a particular sauce. A chef accidentally makes 15 cups of the sauce with 40% melted chocolate and 60% raspberry puree ins ...
fskilnik@GMATH
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1
Views:
58
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0
GMATH practice exercise (Quant Class 20)

The straight lines given by the equation 2(x^2)=2(y^2)-3xy are:

(A) parallel
(B) intersecting and they form a 30-degrees angle
(C) intersecting and t ...
fskilnik@GMATH
Replies:
2
Views:
70
Thanks:
0
GMATH practice exercise (Quant Class 3)

If (r+1/r)^2 = 5, what is the value of (r^3+1/r^3)^2?

(A) 7.75
(B) 10
(C) 12.25
(D) 15
(E) 20

Answer: _____(E)__
fskilnik@GMATH
Replies:
2
Views:
88
Thanks:
0

xy=?

Forum:
Data Sufficiency
Posted:
Wed Mar 20, 2019 7:39 am

$$? = xy$$
$$\left( 1 \right)\,\,\,{\left( {x - 2} \right)^2} = - \left| {y - 3} \right|\,\,\,\,\,\left( * \right)$$
$$\left. \matrix{
{\left( {x - 2} \right)^2} \ge 0 \hfill \cr
- \left| ...
fskilnik@GMATH
Replies:
2
Views:
101
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0

$$? = P\left( {{\rm{red}}\,\,{\rm{together}}\,{\rm{,}}\,{\rm{blue}}\,\,{\rm{together}}} \right)$$
$${\rm{total}}\,:\,\,\,\underbrace {C\left( {10,5} \right)}_{{\rm{cards}}\,\,{\rm{chosen}}}\,\, \cd ...
fskilnik@GMATH
Replies:
1
Views:
63
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0
GMATH practice exercise (Quant Class 12)

https://i.postimg.cc/cJzYVGNC/17-Mar19-3g.gif
$${2^{2.322}} \cong 5\,\,\,\, \Rightarrow \,\,\,\,\,{\left( {{2^{2.322}}} \right)^{0.5}} = {5^{0.5}}\left( ...
fskilnik@GMATH
Replies:
1
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62
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GMATH practice exercise (Quant Class 17)

There are many boxes in a certain room, and each box has a label attached to it in which the number of balls contained in that box is written. If there are ...
fskilnik@GMATH
Replies:
2
Views:
79
Thanks:
0
GMATH practice exercise (Quant Class 16)

If A>B are two odd numbers, how many even numbers are there between them?

(A) (A+B)/2
(B) A-B+1
(C) A-B
(D) A-B-1
(E) (A-B)/2

$$?\,\, = \,\,\# ...
fskilnik@GMATH
Replies:
2
Views:
79
Thanks:
0
GMATH practice exercise (Quant Class 16)

If A>B are two odd numbers, how many even numbers are there between them?

(A) (A+B)/2
(B) A-B+1
(C) A-B
(D) A-B-1
(E) (A-B)/2

$$?\,\, = \,\,\# ...
fskilnik@GMATH
Replies:
1
Views:
63
Thanks:
0
GMATH practice exercise (Quant Class 3)

https://i.postimg.cc/SsDKwW9r/17-Mar19-6y.gif
$${x^2} \cdot f\left( x \right) = {2^{8 - x}}\,\,\,\,\left( * \right)$$
$$? = 100 \cdot f\left( 5 \right)$$ ...
fskilnik@GMATH
Replies:
1
Views:
62
Thanks:
0
GMATH practice exercise (Quant Class 17)

There are many boxes in a certain room, and each box has a label attached to it in which the number of balls contained in that box is written. If there are ...
fskilnik@GMATH
Replies:
2
Views:
79
Thanks:
0
GMATH practice exercise (Quant Class 16)

If A>B are two odd numbers, how many even numbers are there between them?

(A) (A+B)/2
(B) A-B+1
(C) A-B
(D) A-B-1
(E) (A-B)/2

Answer: _____(E) ...
fskilnik@GMATH
Replies:
1
Views:
63
Thanks:
0
GMATH practice exercise (Quant Class 3)

https://i.postimg.cc/SsDKwW9r/17-Mar19-6y.gifAnswer: _____(C)__
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