Page 396 - Start Up Mathematics_8 (Non CCE)

Chapter 13 Sample Test Paper 1
1. ` 36,659.70 2. (i) ` 63,600 (ii) ` 67,416 Section A
3. ` 4,913 4. (i) About 48,980 (ii) 59,535 1. (a) B (b) D (c) B (d) C (e) C
5. ` 38,640 Section B
Chapter 14 2. (a) False (b) False (c) False (d) True (e) False
1. (a) 1, 2, 5, 6, 7 (b) 1, 2, 5, 6, 7 (c) 1, 2 (d) 2 (e) 1 Section C
–3
2. (a) 360° – 250° = 110° (b) 360° – 310° = 50° 3. (a) 1 (b) 3.495 × 10 (c) 1 or 0 (d) 2 (e) terms
3. Number of sides = 24 Section D
4. (a) The equilateral triangle being a regular polygon of 4. (a) Absolute value of a rational number is its numerical
3 sides has the least measure of an interior angle = 60° value with no regards to its sign.
(b) By (a), we can see that the greatest exterior angle is (b) m = 8
120°. (c) Square numbers or perfect squares are natural numbers
5. (i) Can be, but need not be. whose exponent is 2, i.e., the number is raised to the
(ii) No; (in a parallelogram, opposite sides are equal; but power 2.
here AD ≠ BC). (d) 1
(iii) No; (in a parallelogram, opposite angles are equal; (e) An algebraic expression is a phrase with one or more
but here ∠A ≠ ∠C). algebraic terms.
6. x = 110°; y = 40°; z = 30° Section E
7. AD | | BC; AB | | DC. So, in parallelogram ABCD, the 5. 0.179 6. ±5
mid-point of diagonal AC is O. Sample Test Paper 2

Chapter 15 Section A
1. Students to do on their own. 1. (a) D (b) B (c) D (d) D (e) B
2. Students to do on their own. Section B
3. Students to do on their own. 2. (a) True (b) False (c) True (d) False (e) True
Chapter 16 Section C
3 2
1. (a) (i) → Top, (ii) → Front, (iii) → Side 3. (a) 5x y (b) bivariate (c) 5 (d) directly (e) 300
(b) (i) → Top, (ii) → Side, (iii) → Front Section D 4
(c) (i) → Side, (ii) → Front, (iii) → Top
1
(d) (i) → Front, (ii) → Top, (iii) → Side 4. (a) 175 % i.e., 58 % (b) 1 (c) Yes
2. Students to do on their own. 3 3 2
3. Students to do on their own. (d) Linear, quadratic
4. Faces → 8, Vertices → 6, Edges → 30 (e) (x + 8) (x – 2)

Chapter 17 Section E
2
1. 45000 tiles 2. (b) 3. 0.88 m 4. ` 810 5. 2x y (x – y)(x – 2y)
2 4
Chapter 18 6. Numbers are 30 and 31.
1. 144 m 2. 322 cm Project Work
3. (a) Volume (b) Surface area (c) Volume Highlighted matchsticks should be moved in the given way.
4. 450 5. (i) 4 times (ii) 8 times
6. 30 hours
Chapter 19
1. A = 5, B = 4, C = 1 2. A = 6 →
3. A = 5, B = 0, C = 2 4. A = 4, B = 7
5. y = 1 6. z = 0 or 9
Chapter 21
1. (a) (i) ` 4 crore (ii) ` 8 crore Sample Test Paper 3
(b) (i) 7 crore (ii) 8.5 crore (approx.) Section A
(c) 4 crore (d) 2005
2. (a) Tue, Fri, Sun (b) 35°C (c) 15°C (d) Thu 1. C 2. B 3. A 4. C 5. D
6. D 7. C 8. A 9. A 10. A
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