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188 Maths
3. (a) Yes (b) No (c) Yes (d) No 4. (a) (b) (c) (d)
Assessment Time
A. 1. (a) 2. (a) 3. (c) 4. (b) 5. (b) B. 1. 5 × 5 – 4 × 4 = 5 + 4 = 9 6 × 6 – 5 × 5 = 6 + 5 = 11 7 × 7 – 6 × 6 = 7 + 6 = 13
2. 1234 × 8 + 4 = 9876 12345 × 8 + 5 = 98765 123456 × 8 + 6 = 987654
C. 1. GOD HELPS THOSE WHO HELP THEMSELVES 2. G112U, H224T
Chapter 13: Data Handling
Boot-up : 1. 8. 2. 4, 3. Do yourself
Exercise 13.1
1. Clothes Tally marks Number 2. (a) Day Production of TV sets
Shoes || 2 Monday
T-Shirt | 6 Tuesday
Wednesday
Short pants 5
Thursday
Socks ||| 3 Friday
Trousers |||| 4 Saturday
Sweaters ||| 3
Total 23
(b) Day Number of students present in the class 3. (a) 20000 bulbs (b) 4th week (c) ` 7000
Monday 4. (a) 7 students (b) Monday (c) Wednesday
(d) 37 students (e) 2 students
Tuesday
Wednesday
Thursday
Friday
Saturday
Each = 50 sets Each = 4 students
Exercise 13.2
1. Games Number of Student 2. (a) Friday (b) Wednesday (c) 10,000 (d) 1,70,000
Badminton 60 3. (a) 40 Crores (b) 10 Crores (c) 70 Crores
Cricket 50 (d) Graph is showing the population of country during
Football 50 different decades.
Swimming 40
Assessment Time
A. 1. (b) 2. (a) 3. (b) B. 1. Title and label 2. ||||| 3. data
Assessment–4
1. (b) 2. (a) 3. (b) 4. (b) 5. (a) 6. (d) 7. diameter 8. 6 9. infinite 10. 6 11. 18 cm 12. (b)
13. (b) 14. (a) 15. 9 cm 16. 220 cm 17. (b) OA = 4 cm (c) AB = 8 cm
18. Class/Sections Number of students 19. (a) Dance, 60 students (b) 35 students
IV A (c) 215 students (d) False
2
IV B 20. 40 m 21. 1100 cm, 6 m 22. 60 cm
23. square, 8 cm
IV C
IV D
IV E
Each = 5 students