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05 Jan 2004, 17:21
Kudos
Bookmarks
Any idea 
Pls include reasoning along with all answer posts.
Find the greatest four digit number which when divided by 18, 28 and 35 leaves in each case a remainder 5.
a. 9825
b. 8820
c. 8825
d. 8815
Pls include reasoning along with all answer posts.
Find the greatest four digit number which when divided by 18, 28 and 35 leaves in each case a remainder 5.
a. 9825
b. 8820
c. 8825
d. 8815
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sunniboy007
Any idea 
Pls include reasoning along with all answer posts.
Find the greatest four digit number which when divided by 18, 28 and 35 leaves in each case a remainder 5.
a. 9825
b. 8820
c. 8825
d. 8815
Pls include reasoning along with all answer posts.Find the greatest four digit number which when divided by 18, 28 and 35 leaves in each case a remainder 5.
a. 9825
b. 8820
c. 8825
d. 8815
use prime factorization for a problem like this
18, 28, 35
3x3x2, 2x2x7, 3x5
combine uncommon primes
3x2x7x5=210
check the answer choices to see which answer is a mulitple of 210
Hark!! it's B!!!
8820 but is that the answer??? NO!!!!! Sorry Joe Bloggs! (for those who took PR for SATs)
add 5 to 8820
Thus C is your answer
verstehen Sie? Ausgezeichnet!
05 Jan 2004, 19:35
Kudos
Bookmarks
you mean subtract five to get (d) right?
sorry as i correctly wrote add 5 to get 8825
- glad to know my brain cells are still functioning. Struggling but functioning! 
