How many positive integers less than 30 are either a multiple
of 2, an odd multiple of 9, or the sum of a positive multiple of
2 and a positive multiple of 9 ?
(A) 27
(B) 26
(C) 25
(D) 24
(E) 23
Answer should be 26 instead of 25 ?
87, 77, 51, 65, 90, 33, 39, 74
Which of the following numbers is greater than three-fourths of
the numbers but less than than one-fourth of the numbers in the
list above?
(A) 35
(B) 40
(C) 52
(D) 58
(E) 80
Quant Problems
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- cans
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<30. 14 even integers (2,...28)How many positive integers less than 30 are either a multiple
of 2, an odd multiple of 9, or the sum of a positive multiple of
2 and a positive multiple of 9 ?
(A) 27
(B) 26
(C) 25
(D) 24
(E) 23
9,27..
11,13,15,17,19,21,23,25,27,29.
that leaves 1,3,5,7
Thus 25. (total 29)
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- cans
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total = 8. order: ...77,87,9087, 77, 51, 65, 90, 33, 39, 74
Which of the following numbers is greater than three-fourths of
the numbers but less than than one-fourth of the numbers in the
list above?
(A) 35
(B) 40
(C) 52
(D) 58
(E) 80
IMO E
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- cans
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Can you please post only one question per forum from next time.
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- abhimanyu.tanwar
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Hi Cans, could you please explain this one.cans wrote:total = 8. order: ...77,87,9087, 77, 51, 65, 90, 33, 39, 74
Which of the following numbers is greater than three-fourths of
the numbers but less than than one-fourth of the numbers in the
list above?
(A) 35
(B) 40
(C) 52
(D) 58
(E) 80
IMO E
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Abhimanyu
Abhimanyu
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Arranging in ascending order,
33,39,51,65,74,77,87,90.
Notice that 80 is the only number which is greater than 6 of the numbers and less than 2 of the given numbers.
Hence satisfies the condition
33,39,51,65,74,77,87,90.
Notice that 80 is the only number which is greater than 6 of the numbers and less than 2 of the given numbers.
Hence satisfies the condition
sukh wrote: 87, 77, 51, 65, 90, 33, 39, 74
Which of the following numbers is greater than three-fourths of
the numbers but less than than one-fourth of the numbers in the
list above?
(A) 35
(B) 40
(C) 52
(D) 58
(E) 80