Page 318 - Math_Genius_V1.0_C6_Flipbook

E:\Working\Focus_Learning\Math_Genius-6\Open_Files\17_Answers\Answers
\ 07-Nov-2024 Bharat Arora Proof-8 Reader’s Sign _______________________ Date __________

3. (a) 6000 sq. km Chapter 5: Prime Time
(b) Raigarh and Jashpur Let’s Recall
(c) 4 districts
4. 2. 8, 4
No. of spiders Legs No. of deer Legs
2 16 3 12
3 24 4 16
4 32 5 20
6 48 8 32
9 72 10 40
3. Blue: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50
Red: 7, 14, 21, 28, 35, 42, 49
Green: 11, 22, 33, 44
Quick Check
1. 4 2. 8 3. 4 4. 12
Practice Time 5A
1. (a) 1, 2, 3, 6, 9, 18
5. `165000
(b) 1, 2, 4, 5, 8, 10, 20, 40
6. (a) (c) 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
(d) 1, 3, 5, 9, 15, 27, 45, 135
2. (a) 10, 20, 30, 40, 50 (b) 13, 26, 39, 52, 65
(c) 19, 38, 57, 76, 95 (d) 27, 54, 81, 108, 135
3. (a)-(ii) (b)-(iv) (c)-(v) (d)-(iii) (e)-(i)
4. 36, 40, 44, 48, 52, 56
5. (a) 12 × 5, 20 × 3 (b) 6 × 4, 12 × 2
Think and Answer
1. 48
2. (a) 20 (b) 14 (c) 18
3. (d)
Quick Check
1, 7
Practice Time 5B
(b) 2014–2018 (c) more than two and half times. 1. (a) 35 (b) 15 (c) 90 (d) 6
7. Maximum variation = 19th Oct. 2024; 2. 34, 68, 102, 136, 170
Minimum variation = 11th Oct. 2024 3. (a) 7, 21, 63, 70, 77 (b) 12, 36 (c) 12, 36, 80
4. (a) 3 (b) 3, 5, 15, 30 (c) 3 (d) 24, 30
Unit Test – 2 5. Even (Multiples of 3): 6, 12, 18, 24, 30
Even (Not a multiple of 3): 2, 8, 32
A. 1. (c) 2. (a) 3. (d) 4. (a) 5. (c)
6. (b) 7. (d) 8. (d) 9. (b) 10. (d) Odd (Multiples of 5): 15, 35
B. 1. 7 2. 90 3. frequency 4. pictorial 6. Odd (Not a multiple of 5): 1, 3, 11, 39
24 seconds
5. raw or primary 7. 3 packets of bread, 5 tray of eggs
C. 1. T 2. T 3. F 4. F 5. T 8. (a) 1 (b) 12, 24 and 36 (c) 3 (d) 2
D. 2. No 3. (a) 80 (b) 200 (c) 64000 (e) remainder
4. 9. (a) yellow: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 36, 42, 45, 48, 54, 60, 63,
Y
72, 81, 90 (b) Even numbers: 64, 70, 72
25 (c) Red: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70
Scale: 1 unit length = 5 students (d) No (e) Yes (f) No
Number of students 15 5 10. (a) 1, 2, 4 (i) 56 (b) 1, 5 (c) 1, 5 (d) 1, 3
20
(g) Green: 5, 10, 15, 20, 25, 30, 35, 40
(h) 1
(j) Crossed numbers: 27, 35, 45, 49
10
11. (a)
0
90
Mango Banana Guava Grapes Apple X 110 4 100 60 45 15
16
22
Fruits 36 30 75
2 120
5. (a) 270 (b) 50 (c) watching movies 24 8 28 150 105
6. (a) 6 students (b) 33 students. 12 135
7. 3 km 920 m or 4 km
8. 99995421 + 11112459 = 111107880, 99995421 – 11112459 = 88882962 Even numbers Multiples of 15
Mathematics-6 316