Page 309 - Start Up Mathematics_6

Chapter 7 Chapter 10
1. Shaded portions do not represent the given fractions. 1. 9.6 km
8 2 2. (a) 6 m (b) 10 m (c) Cross has greater perimeter
2. 24 3. 3 (d) Students to do on their own.
1 4 3 2 3 3. 14 sq. m 4. 11 sq. m 5. 15 sq. m
4. (a) (b) (c) (d) (e) 4
9
6
8
2
6 4 12 8 4 Chapter 11
(i) 18 (ii) (iii) 16 (iv) 12 (v) 16 1. (x – 4) years 2. 12l
8
1 1 2 3 3 2 1 2 3. (a) 2m + 11 (b) 2m – 11 (c) 5y + 3 (d) 5y – 3
5. (a) > (b) = (c) < (d) = (e) –8y (f) –8y + 5 (g) 16 – 5y (h) –5y + 16
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8
5
3
4
5
4
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6 4 5 15 4. (a) s + 8, s – 7, 4s – 10 (b) (5v + 20) km 5. 12
(e) 10 < (f) = 21
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7 7 1 Chapter 12
6. Rohit 7. (a) (b) 10 (c) 3 1. (a) 3 : 1 (b) 1 : 2 2. 17 : 550 3. 15 : 7
8
4 2 4. (a) Yes, Middle Terms – 1 m, ` 40;
8. The distance walked by Nandini = 10 (= ) km Extreme Terms – 25 cm, ` 160
5
9 (b) Yes, Middle Terms – 65 litres, 6 bottles;
9. Rahul takes less time: by 20 minutes Extrem Terms – 39 litres, 10 bottles (c) No
Chapter 8 (d) Yes, Middle Terms – 2.5 litres, ` 4;
1. (a) 0.2 cm (b) 3.0 cm (c) 11.6 cm (d) 4.2 cm extrem Terms – 200 mL, ` 50
(e) 16.2 cm (f) 8.3 cm 5. 5 degrees 6. 10 bananas 7. Anup
2. A, 0.8 cm; B, 1.3 cm; C, 2.2 cm; D, 2.9 cm
3. (a) 0 and 0.1 (b) 0.4 and 0.5 (c) 0.1 and 0.2 Chapter 13
(d) 0.6 and 0.7 (e) 0.9 and 1.0 (f) 0.5 and 0.6 1. (a) Yes, an isosceles triangle (b) No
3 1 3 9 1 1 33 (c) Yes, an equilateral triangle (d) Yes, a scalene triangle
4. (a) (b) 20 (c) (d) 50 (e) (f) (g) 500 Questions 2 and 3. Students to do on their own.
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4
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5. (a) ` 0.05 (b) ` 0.75 (c) ` 0.20 Chapter 14
(d) ` 50.90 (e) ` 7.25 Students to do on their own.
6. (a) 0.008 km (b) 0.088 km (c) 8.888 km
(d) 70.005 km Sample Test Paper 1
7. 5.25 m 8. 22.775 km 9. 4.425 kg
Section A
Chapter 9
1. (a) Number of 1. (a) C (b) A (c) D (d) B (e) D
Sweets Tally marks Section B
students
Ladoo  11 2. (a) False (b) True (c) False (d) False (e) False
Barfi  3 Section C
Jalebi  7 3. (a) 6 (b) perfect (c) 0 (d) circular region (e) simple
Rasgulla  9 Section D 9
30 4. (a) 10 (b) 5 (c) 4 angles (d) 1
(b) Laddoo (e) Two or more circles having the same centre
2. (a) VIII (b) No (c) 12 Section E
3. 1 unit length = 20 thousand 5. 6
2,00,000
1,80,000
1,60,000 6.
Number of persons 1,20,000 75 and above Concave Convex
1,40,000

A line joining any two points lies wholly inside a convex
1,00,000
quadrilateral, which is not true for concave quadrilateral.
80,000
60,000
40,000 Electricity Section A Sample Test Paper 2
1–14 1. (a) B (b) D (c) C (d) C (e) A
20,000 15–20 30–44 45–59 60–74
Age group Section B
(a) 30–44, 45–59 (b) 1 lakh 20 thousand 2. (a) False (b) False (c) True (d) True (e) True

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