Is the hundredths digit of the decimal d greater than 5?
1) The tenths digit of 10d is 7.
2) The thousandths digit of d/10 is 7
Find the number - D
This topic has expert replies
-
- Master | Next Rank: 500 Posts
- Posts: 103
- Joined: Wed May 30, 2007 6:17 am
- Followed by:1 members
-
- Senior | Next Rank: 100 Posts
- Posts: 34
- Joined: Tue Sep 19, 2006 12:00 am
- Thanked: 5 times
- Followed by:9 members
IMO D
From statement 1)--- The tenth digit of 10d is 7
=> 10d = 0.7x
=> d = 0.07x
=> hundredth digit is 7
Hence sufficient
From statement 2)--- d/10 = 0.007x
=> d = 0.07x
=> hundredth digit is 7
Hence sufficient
From statement 1)--- The tenth digit of 10d is 7
=> 10d = 0.7x
=> d = 0.07x
=> hundredth digit is 7
Hence sufficient
From statement 2)--- d/10 = 0.007x
=> d = 0.07x
=> hundredth digit is 7
Hence sufficient