Page 184 - Revised Maths Wisdom Class - 6

182 MATHS

S

(d)
0 1 2 3 4 5 6 1 8 9 10 11 12 13 2 15 16 17 18 19 20 3
7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
S represents 17 or 2 3 .
7 7
A 1
4
3
(e)
0 1 2 1 4 5 2 7 8 3 10 11 4 13 14 5
3 3 3 3 3 3 3 3 3 3
A represents 13 or 4 1 .
3 3
2. (a), (b), (c) and (e) 3. (b), (c) and (e) are mixed fractions; (a), (d), (f) (g) are improper fractions. 4. 6 7 and 8 . (answers can vary)
,
5 5 5
5. (a) 15 (b) 83 (c) 80 (d) 209 (e) 1109 6. (a) 11 3 (b) 16 1 (c) 6 11 (d) 5 17 (e) 52 5
7 5 9 15 100 4 2 13 20 17
3 1
7. (a) 2 (b) 3 8. (a) < (b) > (c) = (d) >
7 4
Exercise – 5C

6 9 12 15
4 6 8 10
1. (a) 2 = 10 = 6 (b) 5 = 10 = 20 (c) 3 = 12 = 18 2. (a) 2 , 3 , 4 , 5 (b) ,, , (c) , , ,
3 15 9 7 14 28 8 32 48 14 21 28 35 6 9 12 15 8 12 16 20
(d) 8 12 16 20 (e) 12 18 24 30 3. (a) and (c) 4. (a) Numerator can't be further reduced to simple form.
,
,
,
,
,
,
22 33 44 55 26 39 52 65
(b) Both 2 and 11 are prime. So, they have no common factor. (c) 21 and 10 have no common factors.
(d) 15 and 91 have no common factors. (e) 27 and 64 have no common factors.
5. (a) 1 (b) 1 (c) 4 (d) 1 (e) 9 6. (a) 60 (b) 40
3 4 5 2 10 75 35
9 1 20 4 80
7. (a) 39 (b) 8. Do yourself 9. Broken: = broken, and unbroken: =
79 29 5 100 5 100
Exercise – 5D
2
4
5
3
1. (a) < 1 3 < 4 < 5 < 6 (b) < < < < 7
8 8 8 8 8 9 9 9 9 9
7
3
2. , 11 > > > 2 5
5
5
5
0 1 2 3 4 1 6 7 8 9 2 11 12
5 5 5 5 5 5 5 5 5 5
3. (a) < (b) < (c) < (d) = (e) > (f) <
2 1 1 8 11 1 1 3 1 2 1 3 7 3 7 5
4. (a) < 1 < 1 < 1 (b) < < 1 < 1 (c) < < 1 < 1 (d) < < <
7 4 2 11 41 2 2 4 3 3 4 5 36 5 8 3
5 3 3 3 7 3 5 1 1 7 1 2 5 4 3 2
5. (a) > 1 > 1 > (b) > > > (c) 1 > > > (d) > > >
2 4 19 4 4 8 32 16 2 15 3 12 3 7 11 33
5 4 5 5 3 7 2
6. (a) (b) (c) (d) (e) (f) 7. (a)
7 7 12 12 4 9 7
1 3 7 1 1
(b) (c) (d) 8. VIA: failed, VIC: failed, In section VI A greater fraction of students passed.
5 21 15 8 4
1 1 1
9. Manu 10. Leopards; > > 11. Mandy 12. Sunny
2 3 6
Exercise – 5E
2
1. (a) 1 (b) 4 (c) 1 (d) 1 (e) 11 or 3
5 3 3
2. (a) 73 or 5 3 (b) 25 or 4 1 (c) 53 or 2 17 (d) 21 or 4 1 (e) 1
14 14 6 6 18 18 5 5 2
3. (a) 1301 or 11 69 (b) 635 or 10 5 (c) 8 or 1 3 4. Rumi ate 1 more cake 5. 12 plants 6. 200 g
112 112 63 63 5 5 10
71
7. of a cup 8. 388 hours 9. Aditya, 5 1 hours 10. 45 leaves 11. 32 8 12. 77 15
60 15 6 9 56