T. RANDA EL SHALL
Posts : 47 Join date : 2010-01-29
| Subject: model answer chapter 2 page 3 , 4 Sun Jan 31, 2010 4:12 am | |
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Question no | ANS | Page no | 1 | D | 3 | 2 | C | 3 | 3 | B | 3 | 4 | C | 3 | 5 | C | 3 | 6 | C | 3 | 7 | A | 3 | 8 | D | 3 | 9 | D | 3 | 10 | D | 3 | 11 | A | 3 | 12 | 20 + 30= 50 UNDERESTIMATE | 4 | 13 | 60 + 30 = 90 OVERESTIMATE | 4 | 14 | 78 | 4 | 15 | 92 | 4 | 16 | 14 , 8 , 6 , 8 | 4 | 17 | 7 , 3 , 4 , 3 | 4 | 18 | 7 + 8 = 15 , 8 + 7=15 ,15 – 7=8,15 – 8=7 | 4 | 19 | 23 | 4 | 20 | 51 | 4 | 21 | 14 | 4 | 22 | 24 | 4 | 23 | 700 – 100 = 600 | 4 | 24 | 400 – 200 = 200 | 4 | 25 | 10 + 90 = 100 | 4 | 26 | 50 + 120 = 170 | 4 |
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