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(73^2) + (74^2) =

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Math Expert
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V
Joined: 02 Sep 2009
Posts: 59095
(73^2) + (74^2) =  [#permalink]

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New post 07 Mar 2019, 01:42
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

81% (00:53) correct 19% (01:21) wrong based on 70 sessions

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Intern
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B
Joined: 27 Sep 2018
Posts: 37
(73^2) + (74^2) =  [#permalink]

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New post 07 Mar 2019, 02:24
3
1
73^2 last term(unit digit) will be 9
74^2 last term (unit digit)
will be 6

Adding the two will give last term as 5
Only option e has 5 as last term (unit digit)

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Manager
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S
Joined: 17 May 2018
Posts: 140
Location: India
Re: (73^2) + (74^2) =  [#permalink]

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New post 07 Mar 2019, 01:50
73^2= (70+3)^2= 5329
74^2= (70+4)^2= 5476
Total= 10805
IMO E

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GMAT Club Bot
Re: (73^2) + (74^2) =   [#permalink] 07 Mar 2019, 01:50
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