Page 192 - Maths Class 04

Practice 11.2
1. a. 13 sq. units b. 7 sq. units c. 11 sq. units 2. a. 12 sq. cm b. 20 sq. cm
c. 12 sq. cm d. 9 sq. cm e. 16 sq. cm f. 8 sq. cm
Practice 11.3
1. 13 sq. cm 2. 18 sq. cm 3. 10 sq. cm 4. 8 sq. cm 5. 12 sq. cm 6. 15 sq. cm
Practice 11.4
1. 1080 m 2. 1120 m 3. 1200 m 4. 240 m 5. 60 m 6. 100 m
7. 76 m 8. 59 m 9. 86 m
Sum up
1. a. iii b. iv c. i d. iv 2. a. 16 cm b. 26 cm
3. a. 12 sq. units b. 15 sq. units c. 8 sq. units
Chapter-12 Patterns
Practice 12
1. Do it yourself
2. a. 12, 14, 16, 18 b. 24, 28, 32, 36 c. 40, 47, 54, 61 d. 729, 2187, 6561, 19683
3. Do it yourself
Chapter-13 Line of Symmetry
Do it yourself
Chapter-14 Data Handling
Practice 14.1
1. Do it yourself 2. a. 3500 toys b. May, 400 toys c. 300 toys d. 300 toys
3. a. 9 lions b. 21 elephants
4. a. 2004 and 2005 b. 30 tigers c. 30 tigers d. 120 tigers
Practice 14.2
1 1 1
1. a. b. 50 c. 25 d. e.
4 2 4
1 1 1
2. a. 25 b. 2 c. 50 d. 4 e. 25 f. 4
3. a. False b. False c. False d. True e. True
Sum up
1. a. ii b. ii c. 1. ii 2. ii 3. i 4. iii
2. a. True b. True c. True d. False e. False f. True
3. a. Tuesday and Friday b. Saturday, 700 tickets c. 500 tickets d. Monday, 100 tickets
4. a. 120 cm b. 30 cm c. 45 cm

Mathematics-4 192