What is the hundredths digit of the decimal z ? (1) the tenths digit of 100z is 2. (2) the units digit of 1,000z is 2.
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Answer:
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Step-by-step explanation:
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GMAT Club Forum Index Data Sufficiency (DS)
What is the hundredths digit of the decimal z? : Data Sufficiency (DS)
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Updated on: Jun 5 at 04:23am
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DIFFICULTY: 25% (medium) QUESTION STATS: based on 785 sessions
71% (01:26) correct
29% (01:26) wrong
What is the hundredths digit of the decimal z?
(1) The tenths digit is 100z is 2
(2) The units digit of 1,000z is 2
Spoiler: OA
Last edited by Bunuel on 05 Jun 2019, 04:23, edited 2 times in total.
Edited the question and added the OA
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Most Helpful Expert Reply
Bunuel
EXPERT'S
POST
Jan 28, 2012
Bunuel wrote:
What is the hundredths digit of the decimal z?
Let's say . The hundredths digit of z would be the value of . So the question is
(1) The tenths digit is 100z is 2 --> --> the tenths digit of is the value of . So . Not sufficient to calculate .
(2) The units digit of 1,000z is 2 --> --> the units digit of is the value of . So . Not sufficient to calculate .
(1)+(2) No new info, only the value of is known. Not sufficient.
Answer: E.
Note: 1234.567
1 - THOUSANDS
2 - HUNDREDS
3 - TENS
4 - UNITS
. - decimal point
5 - TENTHS
6 - HUNDREDTHS
7 - THOUSANDTHS