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How many odd integers less than 100 are a multiple of 3 and a multiple

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Math Expert
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V
Joined: 02 Sep 2009
Posts: 42278

Kudos [?]: 132880 [0], given: 12390

How many odd integers less than 100 are a multiple of 3 and a multiple [#permalink]

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New post 05 Nov 2017, 03:07
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

76% (00:27) correct 24% (00:12) wrong based on 33 sessions

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Kudos [?]: 132880 [0], given: 12390

Intern
Intern
avatar
B
Joined: 07 Jul 2015
Posts: 45

Kudos [?]: 11 [0], given: 20

Location: India
Concentration: Operations, General Management
GMAT 1: 660 Q47 V35
GMAT 2: 740 Q50 V40
GPA: 3.7
WE: Operations (Manufacturing)
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Re: How many odd integers less than 100 are a multiple of 3 and a multiple [#permalink]

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New post 05 Nov 2017, 03:48
odd multiples of 15 is what we are looking for
15
45
75
ans=3

Kudos [?]: 11 [0], given: 20

Intern
Intern
avatar
B
Joined: 08 Apr 2017
Posts: 29

Kudos [?]: 5 [0], given: 0

Re: How many odd integers less than 100 are a multiple of 3 and a multiple [#permalink]

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New post 05 Nov 2017, 08:10
Bunuel wrote:
How many odd integers less than 100 are a multiple of 3 and a multiple of 5?

(A) 3

(B) 4

(C) 7

(D) 10

(E) 15


Multiples of 3 and 5 => Multiples of 15

So all the multiples of 15 less than 100 are - 15 30 45 60 75 90.
But the question is asking specifically for odd integers. Hence we have 15 30 45 60 75 90
Option A

Kudos [?]: 5 [0], given: 0

Re: How many odd integers less than 100 are a multiple of 3 and a multiple   [#permalink] 05 Nov 2017, 08:10
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How many odd integers less than 100 are a multiple of 3 and a multiple

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