Page 203 - Start Up Mathematics_3

Exercise 10.1 Let’s Evaluate
1. (a) 800 paise (b) 1300 paise (c) 2500 paise 1. (a) 600 p (b) 1425 p (c) ` 7.15 (d) ` 18.60
(d) 775 paise (e) 1605 paise (f) 5250 paise 2. (a) ` 338.34 (b) ` 1605.90 (c) ` 734.67 (d) ` 1460.70
(g) 3725 paise (h) 1435 paise (i) 1830 paise 3. (a) ` 24.02 (b) ` 380.69 (c) ` 225.32 (d) ` 111.18
(j) 4565 paise 4. (a) ` 23.70 (b) ` 98.08 (c) ` 292.23 (d) ` 421.05
2. (a) ` 3.15 (b) ` 13.40 (c) ` 11.10 (d) ` 40.80 5. (a) ` 15.25 (b) ` 5.10 (c) ` 9.07 (d) ` 6.04
(e) ` 62.65 (f) ` 93.25 (g) ` 70.30 (h) ` 55.30 6. (a) (ii) (b) (iii) (c) (ii) 7. ` 107
3. (a) ` 12.50 (b) ` 27.25 (c) ` 62 (d) 675 p 8. BILL Bill No. 214
4. (a) No (b) Yes (c) Yes (d) Yes (e) No Coffee Shop Date: ____
Exercise 10.2 S. Price Amount
1. (a) ` 565.48 (b) ` 795.17 (c) ` 573.29 No. Items Quantity (in `) ` p
(d) ` 1436.16 (e) ` 1387.63 (f) ` 1663.97 1. Hot coffee 1 12.50 12.50
2. (a) ` 55.11 (b) ` 222.75 (c) ` 132.43 2. Club sandwich 2 30.25 60.50
(d) ` 48.04 (e) ` 649.12 (f) ` 206.78 3. French fries 1 25.00 25.00
3. ` 446.35 4. ` 13.55 5. ` 141.21 4. Cold coffee 1 18.50 18.50
6. (a) ` 56.21 (b) ` 2081.46 (c) ` 337.65 5. Coleslaw sandwich 3 32.25 96.75
(d) ` 154.45 (e) ` 1845.72 (f) ` 1212.35 Total 213.25
7. (a) > (b) = (c) <
Exercise 10.3 Values and Life Skills
1. (a) 52 p (b) 210 p or ` 2.10 (c) 615 p or ` 6.15 1. ` 440.15 2. ` 50.75
(d) 336 p or ` 3.36 (e) 1863 p or ` 18.63 Scratch Your Brain
(f) 1300 p or ` 13 Pocket money in month of July = ` 335
2. (a) ` 0.96 (b) ` 20.60 (c) ` 96.40 Pocket money in last month of year = ` 835
(d) ` 6.42 (e) ` 1.70 (f) ` 445.50 Chapter 11: Shapes and Patterns
3. (a) ` 156.90 (b) ` 64.68 (c) ` 110.70 (d) ` 248.80 Let’s Recall
(e) ` 135.63 (f) ` 11.90 (g) ` 48.08 (h) ` 195.85 1. (a) pink—circle (b) pink—kite
Exercise 10.4 (c) orange—cylinder (d) orange—cone
(a) ` 241 (b) ` 44 (c) ` 41 (d) ` 35 (e) ` 65 (e) orange—cone (f) orange—cuboid
(f) ` 79 (g) ` 6.01 (h) ` 6.09 (i) ` 34.24 (g) orange—sphere (h) pink—rectangle
Exercise 10.5 (i) orange—cube
1. ` 166.95 2. ` 718 3. ` 690.70 4. ` 102.25 2. (a) circle (b) triangle (c) semicircle
5. ` 190.25 6. ` 11.30 (d) circle (e) rectangle (f) square
Exercise 10.6 3. (a) 4 (b) 6 (c) 2 (d) 2
(a) ` 290 (b) ` 67.50 (c) ` 69.50 Exercise 11.1
(d) Bill No. 48
Chaat Stall 2. Circle, Nil, Nil, Nil, Bangle
Date: ____ 3. Rectangle, 4, 4, 2, Post card
Amount
S. No. Items Quantity Price (in `) 4. Triangle, 3, 3, Nil, Slice of pizza
` p 5. Oval, Nil, Nil, Nil, Egg 6. Kite, 4, 4, 2, Diamond
1. Pani-puri 7 15.00 105.00 Exercise 11.2
2. Aloo tikki 4 20.00 80.00 1. (a) solid shape (b) edge (c) sphere
3. Papri-chaat 3 25.00 75.00 (d) rectangle (e) 2 (f) 1
Total 260.00
2. I. (2, A), (4, A), (2, C), (4, C)
(e) BILL Bill No. 152 II. (1, F), (1, H), (3, J), (3, D)
Shahi Dhaba Date: ____ 3. (a) Number of faces = 6
Amount Shape of faces = rectangular
S. No. Items Quantity Price (in `)
` p Number of edges = 12
1. Dal makhani 2 35.00 70.00 Number of vertices = 8
2. Shahi paneer 3 60.00 180.00 (b) Number of faces = 3
3. Dum aloo 1 27.00 27.00 Shape of faces = 2 flat and 1 curved
4. Tandoori roti 8 5.00 40.00 Number of edges = 2
5. Veg pulao 2 25.00 50.00 Number of vertices = None
Total 367.00 (c) Number of faces = 2
They get back ` 33. Shape of faces = 1 flat and 1 curved

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