Page 207 - Math Skill - 5

Answers 205

Exercise 10.4
1. (a) 68°F (b) 95°F (c) 77°F (d) 86°F 2. (a) 25°C (b) 35°C (c) 45°C (d) 75°C
Assessment Time

A. 1. (c) 2. (a) 3. (c) 4. (c) 5. (b) B. 1. 100°C 2. 37°C 3. 180 4. 100

0145 01:45 am 0300 03:00 am 1 hour 15 minutes
C.
1645 04:45 pm 1800 06:00 pm 1 hour 15 minutes
1815 06:15 pm 1920 02:20 pm 1 hour 05 minutes

0120 01:20 am 0240 02:40 am 1 hour 20 minutes

2325 11:25 pm 2450 01:25 am 1 hour 25 minutes

1. Spice ject 2. Vistara D. 1 (a) 2. (d) 3. (a)

CHAPTER - 11: MONEY

Boot-up 1. ` 25 2. ` 55 3. ` 80 4. ` 10.50

Exercise 11.1
1. (a) 755 p (b) 9263 p (c) 89 p (d) 13305 p 2. (a) ` 23.75 (b) ` 0.97
(c) ` 80 (d) ` 6.74 (e) ` 1.07 (f) ` 0.05 (g) ` 0.16 (h) ` 19.40
3. (a) 4695 p (b) 760 p (c) 9550 p (d) 550 p

Exercise 11.2
1. (a) ` 154.50 (b) ` 157.55 (c) ` 304.05 (d) ` 629.91
2. (a) ` 391.20 (b) ` 3961 (c) ` 3461.15 (d) ` 7386.66 3. (a) ` 77.77 (b) ` 327.30 (c) ` 25.75

Exercise 11.3
1. ` 840 2. ` 5768.75 3. ` 53.05 4. ` 1349.55 5. ` 144

Assessment Time
A. 1. (c) 2. (a) 3. (a) B. 1. ` 111. 2. 300 toys 3. ` 800. 4. ` 1701 C. 1. ` 20
1
2. 3. 80 + 25 = 105 rupees 4. Ravi spent more ` (75 –30) = ` 55 D. 1. (c) 2. (a) 3. (d)
4
Assessment - 3
1. (a) 2. (d) 3. (c) 4. (a) 5. (a) 6. 2815 cm 7. Profit 8. 111 L 239 mL

9. 8 10. 168 11. 8°C 12. 16°C or 60.8°F 13. 4°C 14. 9 am 15. (a)
16. (b) 17. 14 hr 40 min 18. 90.32°F 19. ` 693.55 20. 2641 L 21. 7 June
22. 2 L 125 mL 23. ` 274.35 24. ` 1032.75 25. 7 hr 40 min 26. 100°C

CHAPTER - 12: GEOMETRY

Boot-up 1. AB 2. PR 3. RB 4. OA, OB 5. AB 6. PQ
Exercise 12.1

1. (a) and (c)