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Sep 2312:30 AM EDT
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Learn how Keshav, a Chartered Accountant, scored an impressive 705 on GMAT in just 30 days with GMATWhiz's expert guidance. In this video, he shares preparation tips and strategies that worked for him, including the mock, time management, and more
Sep 2401:30 AM EDT
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Tejas studied hard but kept repeating the same mistakes. After 3 attempts at 645, a focused 4-week strategy helped him identify and fix what was holding him back—leading to a 695 with just 12–15 hours of study per week.
Sep 2606:00 PM PDT
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Free- full-length test + 15 concept videos + 150+ short videos + study plan!
29 Apr 2019, 05:58
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E
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:
78% (00:58) correct
22%
(01:47)
wrong
based on 123
sessions
History
Date
Time
Result
Not Attempted Yet
\((\frac{45^{-1} + 5^{-1}}{10})^{-1}\)
A. 1/45
B. 1/40
C. 2/9
D. 5
E. 45
A. 1/45
B. 1/40
C. 2/9
D. 5
E. 45
29 Apr 2019, 06:13
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OA:E
\((\frac{45^{-1} + 5^{-1}}{10})^{-1}\)
\((\frac{\frac{1}{45}+\frac{1}{5}}{10})^{-1}=(\frac{\frac{1+9}{45}}{10})^{-1}=(\frac{\frac{10}{45}}{10})^{-1}=(\frac{10}{45*10})^{-1}=(\frac{1}{45})^{-1}=45\)
\((\frac{45^{-1} + 5^{-1}}{10})^{-1}\)
\((\frac{\frac{1}{45}+\frac{1}{5}}{10})^{-1}=(\frac{\frac{1+9}{45}}{10})^{-1}=(\frac{\frac{10}{45}}{10})^{-1}=(\frac{10}{45*10})^{-1}=(\frac{1}{45})^{-1}=45\)
29 Apr 2019, 06:31
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