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

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Math Expert
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Joined: 02 Sep 2009
Posts: 64144
(73^2) + (74^2) =  [#permalink]

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

Difficulty:

  5% (low)

Question Stats:

87% (01:00) correct 13% (01:32) wrong based on 130 sessions

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

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New post 07 Mar 2019, 01:24
6
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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Joined: 17 May 2018
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Re: (73^2) + (74^2) =  [#permalink]

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New post 07 Mar 2019, 00:50
1
73^2= (70+3)^2= 5329
74^2= (70+4)^2= 5476
Total= 10805
IMO E

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Re: (73^2) + (74^2) =  [#permalink]

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New post 31 Jan 2020, 09:40
3
73^2 last term(unit digit) will be 9
74^2 last term (unit digit)will be 6

Adding both will give 15 and therefore e is correct.
GMAT Club Bot
Re: (73^2) + (74^2) =   [#permalink] 31 Jan 2020, 09:40

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

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