Page 211 - Maths Class 05

Answers

Chapter-1 Large Numbers
Practice 1.1
1. a. 290345; Two lakh ninety thousand three hundred forty five
b. 46235; Forty six thousand two hundred thirty five
c. 320645107; Thirty two crore six lakh forty five thousand one hundred seven
d. 24850242; Two crore forty eight lakh fifty thousand two hundred forty two
2. a. 100 b. smallest c. one d. 999999 e. 10000 f. 20 g. 1 h. 100 i. 100 j. 10
3. a. Forty eight lakh seventy two thousand six hundred thirteen
b. Seven crore five lakh ninety two thousand one hundred
c. Eighty two lakh five thousand eight hundred nine
d. Seventy two lakh ninety two thousand eight hundred fifteen
e. Four crore four lakh four thousand four
4. a. 71,92,422 b. 56,02,07,128 c. 48,987 d. 4,08,11,335 e. 52,61,94,800
5. a. 18,245 = Eighteen thousand two hundred forty five
b. 6,29,793 = Six lakh twenty nine thousand seven hundred ninety three
c. 4,58,217 = Four lakh fifty eight thousand two hundred seventeen
d. 92,85,320 = Ninety two lakh eighty five thousand three hundred twenty
e. 14,92,176 = Fourteen lakh ninety two thousand one hundred seventy six
f. 29,28,750 = Twenty nine lakh twenty eight thousand seven hundred fifty
g. 8,34,97,607 = Eight crore thirty four lakh ninety seven thousand six hundred seven
h. 48,25,70,085 = Forty eight crore twenty five lakh seventy thousand eighty five
6.
Periods C TL L T-Th Th H T O
Numerals
a. 25,685 2 5 6 8 5

b. 9,76,304 9 7 6 3 0 4
c. 97,048 9 7 0 4 8

d. 5,85,375 5 8 5 3 7 5
e. 89,070 8 9 0 7 0

f. 12,70,007 1 2 7 0 0 0 7
g. 4,24,65,362 4 2 4 6 5 3 6 2

h. 5,50,055 5 5 0 0 5 5

7. a. 8 12 435 b. 9 20 680 c. 7 49 214 d. 99 99 999 e. 2 87 591 f. 83 41 576
g. 2 56 81 768 h. 93 21 473
Practice 1.2
1. a. 87281 b. 70517 c. 835406 d. 216048 e. 5432856 f. 5098804 g. 400404 h. 7007707
2. a. 50000 + 7000 + 900 + 60 + 2 b. 30000 + 2000 + 100 + 40 + 5 c. 90000 + 200 + 10 + 6
d. 40000 + 2000 + 70 + 3 e. 900000 + 20000 + 1000 + 100 + 6 f. 800000 + 30000 + 5000 + 300 + 40
g. 3000000 + 100000 + 20000 + 4000 + 300 + 60 + 4 h. 8000000 + 6000 + 900 + 70 + 2
i. 3000000 + 700 + 60 + 2 j. 3000000 + 900000 + 30000 + 9000 + 200 + 30 + 9
k. 2000000 + 400000 + 60000 + 30 + 4 l. 8000000 + 300000 + 20000 + 9000 + 30 + 5
3. a. 3, 6, 5, 4, 2 b. 10000, 1000, 100, 10, 1 c. 8, 4, 6 4, 3, 1 d. 10000, 1000, 100, 10, 1
e. 70000, 6000, 0, 90, 1 f. 49695 g. 563923 h. 7548621
4. a. Place value = 5000 b. Place value = 90000 c. Place value = 700 d. Place value = 300000
Face value = 5 Face value = 9 Face value = 7 Face value = 3
e. Place value = 800 f. Place value = 90000 g. Place value = 5000000 h. Place value = 0
Face value = 8 Face value = 9 Face value = 5 Face value = 0

Mathematics-5 211