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22 Feb 2021, 01:15
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
76% (01:52) correct
24%
(02:41)
wrong
based on 68
sessions
History
Date
Time
Result
Not Attempted Yet
The diagonal length of a rectangular TV screen measuring 70 × 240 is how much greater than the diagonal length of a rectangular TV screen measuring 80 × 150?
A. 30
B. 35
C. 60
D. 80
E. 90
A. 30
B. 35
C. 60
D. 80
E. 90
ramlala
Joined: 22 Aug 2020
Last visit: 13 Dec 2022
Posts: 468
Given Kudos: 30
Location: India
Concentration: International Business, Finance
Schools: IIMA PGPX'23 INSEAD Jan'23 intake Sloan (MIT) ISB HEC Said
GPA: 4
WE:Project Management (Energy)
22 Feb 2021, 09:16
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Bunuel
When we were high school, our teacher taught like this
3-4-5
5-12-13
7-24-25
8-15-17
9-40-41
Here the same example after 22 years...
250-170 = 80
Ans D
22 Feb 2021, 10:07
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The diagonal length of a rectangular TV screen measuring 70 × 240 is how much greater than the diagonal length of a rectangular TV screen measuring 80 × 150?
Diff. in diagonal length = Sqrt (70^2 + 240^2) + Sqrt (80^2 + 150^2) = 10* 25 - 10* 17 = 80.
So, I think D.
Diff. in diagonal length = Sqrt (70^2 + 240^2) + Sqrt (80^2 + 150^2) = 10* 25 - 10* 17 = 80.
So, I think D.
