Page 233 - Math Genius C3

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\ 03-Oct-2025 Bharat arora Proof-10 Reader’s Sign _______________________ Date __________

2. (a) minute (b) 15 (c) 30 (d) faster (d) 52 (e) March, August, November
3. (a) (iv) (b) (iii) (c) (i) (d) (ii) (f) Wednesday (g) Wednesday
Practice time 10a 2. Leap Years: 1200, 2016, 2024
1. (b) 4:30; half-past 4 (c) 5:30; half-past 5 Maths Connect (Page 186)
(d) 7:30; half-past 7 15th August, 1947 ; 26th November, 1949 ; 26th January, 1950
2. (a) 11 12 1 (b) 11 12 1 (c) 11 12 1 (d) 11 12 1 think tank (Page 187)
10 2 10 2 10 2 10 2 1. 12 hours 2. 8 hours 3. 6 hours
9 3 9 3 9 3 9 3
8 4 8 4 8 4 8 4 Challenge Question (Page 187)
7 6 5 7 6 5 7 6 5 7 6 5
8 years 4 months 23 days
3. (b) 3:15; quarter-past 3 (c) 3:45; quarter to 4 Practice time 10F
(d) 7:45; quarter to 8 1. (a) 1.4.2003; 1/4/2003 (b) 21.04.2014; 21/04/2014
4. (a) 11 12 1 (b) 11 12 1 (c) 11 12 1 (d) 11 12 1 (c) 16th November, 2018; November 16, 2018
10 2 10 2 10 2 10 2
9 3 9 3 9 3 9 3 2. (a) 120 minutes (b) 480 minutes (c) 24 hours
8 4 8 4 8 4 8 4 (d) 1440 minutes (e) 7200 minutes (f) 133 days
7 6 5 7 6 5 7 6 5 7 6 5
(g) 168 days (h) 300 days (i) 1460 days
5. (a) 8:30 (b) 9:15; quarter-past 9 Chapter assessment
(c) 10:00; 10 O'clock (d) 10:30; half-past 10 1. (a) (ii) (b) (ii) (c) (i)
(e) Thursday; quarter-past 11 2. (a) (iii) (b) (v) (c) (ii) (d) (i) (e) (iv)
think tank (Page 178) 3. (a) 10 (b) 10 (c) 9 (d) 15
60
55 5 4. (a) 300 minutes (b) 48 hours (c) 120 days (d) 490 minutes
50 11 12 1 10 5. (a) 4 hours (b) 1 hour 15 minutes (c) 4 hours 15 minutes
10 2 6. 1:15 p.m.
45 9 3 15 7. (a) 15/11/2018; Nov. 15, 2018 (b) 16th Nov. 2019; Nov. 16, 2019
8 4
40 7 6 5 20 (c) 26/1/2020; 26th Jan. 2020
35 25 9. 9 hours 55 minutes 10. 24 rounds 11. 720 minutes
30 Challenge Question (Page 193)
Fast Check (Page 179) 1. 29 minutes 2. 17
1. 30 minutes past 1, half past 1, 1:30
2. 8:25 or 25 minutes past 8 Chapter 11. Money
Practice time 10B Let’s ReCaLL
1. (b) 25 minutes-past 10 (c) 15 minutes-past 11 1. (a) `75 (b) `180 (c) `275 (d) `700
(d) 40 minutes-past 4 2. (a) two (b) five (c) five (d) four
2. (a) (i) (b) (iii) (c) (iv) (d) (ii) (e) twenty (f) ten (g) ten (h) twenty
3. (a) 11 12 1 (b) 11 12 1 (c) 11 12 1 (d) 11 12 1 Maths Connect (Page 198)
10 2 10 2 10 2 10 2
9 3 9 3 9 3 9 3 1050.50
8 4 8 4 8 4 8 4 Practice time 11a
7 6 5 7 6 5 7 6 5 7 6 5
1. (a) Thirty rupees fifty paise
4. (b) 8:16 (c) 7:05 (d) 10:05 (b) Twenty rupees seventy-five paise
Practice time 10C (c) Hundred rupees ten paise
2. (a) 6:30 a.m. (b) 5:00 p.m. (c) 7:15 p.m. (d) 8:05 p.m. (d) One hundred eighteen rupees seventy-five paise
(e) 9:40 a.m. (f) 10:25 a.m. (e) Five hundred fifty rupees twenty paise.
3. (a) second (b) minutes (c) hours (d) minute (f) Nine hundred ninety-nine rupees twenty paise.
(e) minutes (f) hours 2. (a) `42.25 (b) `65.50 (c) `100.65 (d) `27.70
Practice time 10D (e) `1.75 (f) `98.90
3. (a) `155.50; One hundred fifty-five rupees and fifty paise
1. (a) 11 12 1 11 12 1 (b) `80.50; Eighty rupees and fifty paise
10 2 10 2
9 3 , 9 3 (c) `702; Seven hundred two rupees.
8 4 8 4 (d) `500.75; Five hundred rupees and seventy-five paise.
7 6 5 7 6 5 4. (a) 75 paise (b) 2050 paise (c) 2505 paise (d) 1600 paise
(b) 11 12 1 11 12 1 5. (a) `9 (b) `5.50 (c) `40.01 (d) `10
10 2 10 2 6. (a) 5 rupees and 69 paise; `5.69 (b) 9 rupees and 4 paise; `9.04
9 3 , 9 3
8 4 8 4 (c) 83 rupees and 94 paise; `83.94 (d) 3 rupees and 41 paise; `3.41
7 6 5 7 6 5 think tank (Page 201)
(c) 11 12 1 11 12 1 1. Ravi is left with `604.25.
10 2 10 2 Practice time 11B
9 3 , 9 3
8 4 8 4 1. (a) `131.70 (b) `120.95 (c) `146.35 (d) `428.60
7 6 5 7 6 5 2.
2. (a) 5:30 (b) 3:15 (c) 7:00 3. (a) `258.05 (b) `520.25 (c) `192.30 (d) `110.30
(c) `1530
(d) `1222.90
(b) `1652.40
(a) `1280.85
3. (a) 9:30 (b) 2:15 (c) 11:45 (e) `335.45 (f) `132.75
4. 2:00 p.m. 5. 7:45 a.m. 6. 12:00 noon 4. (a) `6.50 (b) `51 (c) `13 (d) `49.35
7. 6:25 p.m. 8. 8:25 p.m. 5. `12.50
Practice time 10e 6. (a) `280 (b) `116.25 (c) `374 (d) `24.50
1. (a) 4 (b) 7 (c) July and August (e) `47.50
Mathematics-3 231