Page 190 - Maths Class 04

Practice 7.8
1. a. 11 l 300 ml b. 18 l 070 ml c. 25 l 020 ml d. 14 l 569 ml e. 3 l 300 ml f. 4 l
2. a. 7 l b. 16 l c. 141 l d. 244 l e. 205 ml f. 71 ml
g. 0 ml h. 310 ml
3. a. 500 ml b. 600 ml c. 435 ml d. 825 ml
4. a. 630 ml b. 738 ml c. 454 ml d. 14 ml
Practice 7.9
1. 99 l 395 ml 2. 771 ml 3. 42 l 4. 2 l 800 ml 5. 239 l 235 ml 6. 1 l 300 ml
Sum up
1. a. 7 b. 3719 c. 24 d. 45 e. 172 f. 234
2. a. 1 b. 5 c. 80 d. 40000 e. 7 f. 10
3. a. 750 g b. 1 kg 600 g c. 650 g
Chapter-8 Time
Practice 8.1
1. Do it yourself 2. a. 10:10 b. 1:50 c. 6:45 3. a. 22 b. 3 c. 54
4. a. 50, 5 b. 30, 10 c. 40, 3 d. 40, 7
5. a. The time is 50 minutes past 5. b. The time is 40 minutes past 4.
The time is 10 minutes to 6. The time is 20 minutes to 5.
It is written as 5:50 It is written as 4:40
c. The time is 35 minutes past 2. d. The time is 45 minutes past 6.
The time is 25 minutes to 3. The time is 15 minutes to 7.
It is written as 2:35 It is written as 6:45
Practice 8.2
1. a. 2:30 a.m. b. 10:10 p.m. c. 1:45 p.m. d. 2:05 a.m. e. 10:00 a.m. f. 12:15 p.m. g. 12:45 a.m.
2. a. p.m. b. a.m. c. p.m. d. p.m.
3. a. a.m. b. p.m. c. p.m. d. a.m. e. a.m. f. p.m.
4. a. 11:00 p.m. b. 7:00 p.m. c. 6:50 p.m. d. 12:20 p.m. e. 7:05 a.m. f. 1:00 a.m.
5. a. a.m. b. p.m. c. a.m. d. a.m. e. p.m.
Practice 8.3
1. a. 40 minutes b. 1 hour 20 minutes c. 50 minutes d. 1 hour 8 minutes e. 2 hours
f. 4 hours g. 2 hours h. 4 hours
2. a. 1:40 p.m. b. 8:00 p.m. c. 11:45 p.m. d. 5:35 p.m. e. 3:30 p.m.
3. a. 8 hours b. 17 hours c. 10 hours 30 minutes d. 7 hours e. 15 hours 30 minutes
f. 8 hours 20 minutes
4. a. 13 hours 12 minutes b. 5 hours c. 1 hour 45 minutes d. 7 hours 30 minutes e. 7:35 p.m.
Practice 8.4
1. a. 7:40 p.m. b. 15:00 hours c. 7:20 a.m. to 3:30 p.m. d. 23:15 hours 2. a. 13:30 hours
b. 16:25 hours c. 18:40 hours d. 23:32 hours e. 14:15 hours f. 23:10 hours
Practice 8.5
1. a. 30/01/2010 b. 8/09/2003 c. 16/07/2020 d. 5/02/1999 e. 30/11/2004 f. 4/03/2010
2. a. 15th April, 2003 b. 25th May, 2018 c. 4th March, 2000 d. 5th July, 1999
e. 29th February, 2004 f. 30th March, 2020 g. 3rd February, 1995 h. 3rd May, 2019
3. a. 48 days b. 45 days c. 31 days d. 69 days
4. a. 95 days b. 10th May c. 20th December d. 54 days e. 25 days
Sum up
1. a. iii b. ii c. i d. ii
2. a. a.m . b. p.m. c. a.m. d. a.m .
3. a. 14:58 hours b. 17:28 hours c. 00:00 hours d. 12:00 hours e. 19:58 hours
f. 21:50 hours 4. a. 2:15 p.m. b. 4:14 p.m. c. 12:20 p.m. d. 11:20 a.m.
5. a. 87 days b. 46 days 6. 19th April

Mathematics-4 190