doldrums Posted October 23, 2005 Share Posted October 23, 2005 37. How many degrees are in the sum of the measures of the interior angles of a regular polygon with 10 sides? (A) 1200 (B) 1600 © 2440 (D) 1800 (E) 1440 31. An inheritance of $120,000 is divided among 3 people in a ratio of 3:4:5. How much was the largest share? (A) $30,000 (B) $40,000 © $45,000 (D) $45,000 (E) $50,000 24. Jake, Peter and Zane together have ten marbles. If each has at least one marble, how many marbles does each boy have? (1) Jake has 5 more than Zane (2) Peter has half as many as Jake 8. Is the integer T divisible by 15? (1) The sum of the digits of T equals 15. (2) The units digit of T is a 3. OA later... Quote Link to comment Share on other sites More sharing options...
trymore Posted October 23, 2005 Share Posted October 23, 2005 37. 8*180 = 1440 E. 31. 5*120,000/12 =50,000 E. 8. B. (1) 87, not divided by 15, 555 divided by 15 (2) No. because not divided by 5. suff 24. (1) (JZP) 613, 721 insuff or (PJZ ) 361, 172 (2) (PJZ) 127, 244, 361 insuff (1) and (2): PJZ: 361 Quote Link to comment Share on other sites More sharing options...
doldrums Posted October 23, 2005 Author Share Posted October 23, 2005 Thanks Trymore. OA 37. C ..I get E via (n-2)*180. 31. D..I get E..is it a typo? 24. C.. 8. B Quote Link to comment Share on other sites More sharing options...
trymore Posted October 23, 2005 Share Posted October 23, 2005 it is simple. Must be E. Quote Link to comment Share on other sites More sharing options...
Bright Posted November 23, 2005 Share Posted November 23, 2005 can anone plz explain hw the sum of the interior angles of a regular polygon of 10 sides is 1440?? Quote Link to comment Share on other sites More sharing options...
electrolyte23 Posted November 23, 2005 Share Posted November 23, 2005 hey bright the formula to calculate interior angles of a polygon is: (n-2)180 where n is the number of angles. Quote Link to comment Share on other sites More sharing options...
Bright Posted November 23, 2005 Share Posted November 23, 2005 Thanks electrolyte!!!! Quote Link to comment Share on other sites More sharing options...
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