Page 189 - Maths Skill - 3

Answers 187

CHAPTER - 12: MONEY

Boot-up

` 72, ` 20 ` 7 ` 25 , Wednesday, Tuesday

Exercise 12.1

1. (a) ` 7.85 (b) ` 75.05 (c) ` 18.50 (d) ` 178.10
2. (a) Seven rupees and seventy-five paise (b) Twenty-seven rupees and twenty-five paise
(c) Fifty rupees and seventy-five paise (d) Seventy-three rupees and twenty paise
Exercise 12.2
1. (a) ` 5 (b) ` 2.50 (c) ` 3.25 (d) ` 6 (e) ` 5.75 (f) ` 10.50 (g) ` 13.25 (h) ` 12.25
2. (a) 200 p (b) 350 p (c) 555 p (d) 775 p (e) 325 p (f) 1025 p

Exercise 12.3
1. (a) ` 85.80 (b) ` 156.15 (c) ` 500 2. (a) ` 137.25 (b) ` 356.35 (c) ` 968.25

3. (a) ` 173.05 (b) ` 259.06 (c) ` 294.86 (d) ` 332.15
Exercise 12.4

1. (a) ` 77.65 (b) ` 9.25 (c) ` 113.14 (d) ` 171.35 (e) ` 147.75 (f) ` 270.45
2. (a) ` 71.45 (b) ` 147.35 (c) ` 145.45 3. (a) ` 22.73 (b) ` 341.10 (c) ` 142.95
(d) ` 644.45

Exercise 12.5
(a) ` 206 (b) ` 316.35 (c) ` 1720.25 (d) ` 1503.75 (e) ` 721.80 (f) ` 798.80
Exercise 12.6

1. (a) ` 1.2 (b) ` 26.29 (c) ` 11.25 (d) ` 49
Exercise 12.7

1. ` 200.95 2. ` 151.25 3. ` 106 4. Vibha received first prize and she received ` 149.25 more than Diksha
5. ` 76.45 6. ` 204 7. ` 42 8. ` 1371.65 9. ` 913 10. ` 645
Assessment Time

A. 1. c 2. b 3. c 4. b 5. b
B. 1. ` 6.50 2. ` 20.75 3. ` 6750 P 4. ` 148; 75 P 5. ` 136.15 6. ` 38.25
C. 1. ` 110.8 2. ` 125.9 3. ` 236.7 4. Jenny; ` 15.10 5. ` 332.4 6. ` 25.18

CHAPTER - 13: SHAPES FORMATION

Boot-up
Do Yourself

Exercise 13.1
1. (a) 6 (b) 11 (c) 6
2. (a) Cylinder (b) Sphere (c) Rectangle (d) Cube (e) Cylinder 3. Do Yourself.