David has 11 more nickels than quarters. How many coins does he have?
(1) The total value of David's coins is $2.65?
(2) The total value of the quarters with David is a nickel short of 18 dimes.
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David is a nickel short
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- sanju09
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All GMATiers must note:kvcpk wrote:No idea of How many nickels make one dollar
One Dollar = 100 cents = 20 Nickels = 10 Dimes = 4 Quarters
The mind is everything. What you think you become. -Lord Buddha
Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001
www.manyagroup.com
Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001
www.manyagroup.com
- kvcpk
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David has 11 more nickels than quarters. How many coins does he have?
Assume x quarters, y nickels
y = x +11
(1) The total value of David's coins is $2.65?
x(1/4) + y(1/20) = 2.65
5x+y = 53
y-x=11
2 eqtns, 2 variables.. x, y can be determined.
SUFF
(2) The total value of the quarters with David is a nickel short of 18 dimes.
x/4 = 18/10-1/20
x/4=35/20
x=7
hence y=18
SUFF
pick D
Assume x quarters, y nickels
y = x +11
(1) The total value of David's coins is $2.65?
x(1/4) + y(1/20) = 2.65
5x+y = 53
y-x=11
2 eqtns, 2 variables.. x, y can be determined.
SUFF
(2) The total value of the quarters with David is a nickel short of 18 dimes.
x/4 = 18/10-1/20
x/4=35/20
x=7
hence y=18
SUFF
pick D
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this is a very specific question with regards to the American currency which not all people around the world who would be taking the GMAT can be expected to be aware of.sanju09 wrote:All GMATiers must note:kvcpk wrote:No idea of How many nickels make one dollar
One Dollar = 100 cents = 20 Nickels = 10 Dimes = 4 Quarters
Preet