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What is hundredths digit of decimal z? (1) The tenths digit

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What is hundredths digit of decimal z? (1) The tenths digit [#permalink] New post 06 Nov 2005, 23:29
00:00
A
B
C
D
E

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(N/A)

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What is hundredths digit of decimal z?

(1) The tenths digit of 100z is 2
(2) The units digit of 1000z is 2
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 [#permalink] New post 07 Nov 2005, 01:14
joemama142000 wrote:
A

1) always zero

2) could be 0-9


if z = 0.132, 100z = 13.21 tenths digit 2, hundreths digit 1
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Re: DS: 100th digit [#permalink] New post 07 Nov 2005, 07:06
duttsit wrote:
What is hundredths digit of decimal z?

(1) The tenths digit of 100z is 2
(2) The units digit of 1000z is 2


E.

z = 0.xyabc.... We need to find the value of y!!!

1) 100z = xy.abc. Tenths digit = a = 2. Insuff
2) 1000z = xya.bc. Units digit = a = 2. Insuff

Taking it together we do not have any additional info to find value of y.

Hence E.
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Re: DS: 100th digit [#permalink] New post 07 Nov 2005, 14:29
duttsit wrote:
What is hundredths digit of decimal z?

(1) The tenths digit of 100z is 2
(2) The units digit of 1000z is 2


100*.132 = 13.2.. tenth digit is 2..
1000*.1322 = units digit is 2..

I think here 2 would be the repetitive sequence.. hence the hundredth digit should be 2.
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 [#permalink] New post 07 Nov 2005, 18:15
OA is E.
guys do try this question.
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 [#permalink] New post 07 Nov 2005, 23:33
E

cause if you multiply the decimal with 100 its hundredths digit will become the unit digit in new number so .... A in InSuff

B multiply the Decimal with 1000 and its Hundredths digit will become the tens digit of new number so InSuff

both also does not help .....hence E



8-)
  [#permalink] 07 Nov 2005, 23:33
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What is hundredths digit of decimal z? (1) The tenths digit

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