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GMAT 1: 760 Q51 V42
Posts: 10,057
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
81% (02:02) correct
19%
(02:26)
wrong
based on 162
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[GMAT math practice question]
\(0.73 + a\) denotes \(\frac{11}{15}\). What is \(900a - 3\)?
A. \(0\)
B. \(\frac{3}{5}\)
C. \(\frac{7}{9} \)
D. \(\frac{11}{13}\)
E. \(1\)
\(0.73 + a\) denotes \(\frac{11}{15}\). What is \(900a - 3\)?
A. \(0\)
B. \(\frac{3}{5}\)
C. \(\frac{7}{9} \)
D. \(\frac{11}{13}\)
E. \(1\)
yashikaaggarwal
Senior Moderator - Masters Forum
Joined: 18 Jan 2020
Last visit: 10 Aug 2026
Posts: 3,095
Location: India
Schools: Cranfield (A) Warwick MiM "23 (M)
GPA: 4
WE:Analyst (Internet and New Media)
Schools: Cranfield (A) Warwick MiM "23 (M)
Posts: 3,095
Given: 0.73+a denotes 11/15.
To find: What is 900a−3?
Solution : 0.73+a denotes 11/15.
=> 0.73+a =11/15.
=> a = 0.733333333 - 0.73
=> a = 0.00333333
putting value in 900a−3
900(0.00333333) -3
2.999997 - 3
or,
3-3 = 0
Answer is A
_________________
To find: What is 900a−3?
Solution : 0.73+a denotes 11/15.
=> 0.73+a =11/15.
=> a = 0.733333333 - 0.73
=> a = 0.00333333
putting value in 900a−3
900(0.00333333) -3
2.999997 - 3
or,
3-3 = 0
Answer is A
_________________
chipsy
Joined: 05 Oct 2014
Last visit: 01 Sep 2021
Posts: 55
Concentration: Technology, Entrepreneurship
Schools: Tepper '23 Ross '23 McCombs '23 Tuck '23 NUS '23
Schools: Tepper '23 Ross '23 McCombs '23 Tuck '23 NUS '23
Posts: 55
As a= (11/15 -73/100)
=> 900a -3 = 900(11/15 - 73/100) -3
= (60*11) - (73*9) -3
= 660-657-3
= 0
Option : A
=> 900a -3 = 900(11/15 - 73/100) -3
= (60*11) - (73*9) -3
= 660-657-3
= 0
Option : A
Posts: 1,052
Explanation:
0.73 + a = 11/15
a= 11/15 - 73/100
a= (1100 - 1095) / 1500
a= 1/300
Now, 900a -3
= (900x1/300) - 3
= 0
IMO-A
0.73 + a = 11/15
a= 11/15 - 73/100
a= (1100 - 1095) / 1500
a= 1/300
Now, 900a -3
= (900x1/300) - 3
= 0
IMO-A
Nipungupta9081
School Moderator - INSEAD Masters
Joined: 07 Jan 2020
Last visit: 13 Sep 2026
Posts: 501
Location: India
GPA: 4
WE:Analyst (Accounting)
Posts: 501
0.73 + a = 11/15
a= 11/15 - 73/100
a= (1100 - 1095) / 1500
a= 1/300
Now putting value in - 900a -3
= (900x1/300) - 3
= 0
IMO-A
a= 11/15 - 73/100
a= (1100 - 1095) / 1500
a= 1/300
Now putting value in - 900a -3
= (900x1/300) - 3
= 0
IMO-A
Posts: 76
0.73+a = 11/15
a = 1/300
900a-3 = 900*1/300 - 3
= 3 - 3
= 0
a = 1/300
900a-3 = 900*1/300 - 3
= 3 - 3
= 0
GMAT 1: 760 Q51 V42
Posts: 10,057
=>
We have \(\frac{73}{100} + a = \frac{11}{15}\) or \(a = \frac{11}{15} – \frac{73}{100} = \frac{220}{300} – \frac{219}{300} = \frac{1}{300}.\)
Thus, we have \(900a – 3 = 900(\frac{1}{300}) – 3 = 3 – 3 = 0\)
Therefore, A is the correct answer.
Answer: A
We have \(\frac{73}{100} + a = \frac{11}{15}\) or \(a = \frac{11}{15} – \frac{73}{100} = \frac{220}{300} – \frac{219}{300} = \frac{1}{300}.\)
Thus, we have \(900a – 3 = 900(\frac{1}{300}) – 3 = 3 – 3 = 0\)
Therefore, A is the correct answer.
Answer: A
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