Collins Maths Solutions Class 6 Chapter 1 Large Numbers
Welcome to NCTB Solution. Here with this post we are going to help 6th class students for the Solutions of Collins Maths Class 6 Mathematics, Chapter 1, Large Numbers. Here students can easily find Exercise wise solution for chapter 1, Large Numbers. Students will find proper solutions for Exercise 1.1, 1.2, 1.3, 1.4, 1.5 and 1.6 Our teacher’s solved every problem with easily understandable methods so that every students can understand easily. Here in this post all the solutions are based on ICSE latest Syllabus.
Large Numbers Exercise 1.1 Solution :
Question no – (1)
Solution :
(a) 23999
= Twenty three thousand nine hundred ninety nine.
(b) 90909
= Ninety thousand nine hundred nine.
(c) 11009
= Eleven thousand nine
(d) 31108
= Thirty one thousand one hundred eight.
Question no – (2)
Question :
(a) 45, 251 < 81, 320
(b) 10,024 < 10,204
(c) 80,756 < 84,245
(d) 92,475 > 85,784
Question no – (3)
Solution :
According to the question,
Factory A has 99009 employees
Factory B has 99099 employees
Hence, 99099 is bigger number.
Therefore, B company has more number of employees.
Large Numbers Exercise 1.2 Solution :
Question no – (1)
Solution :
As we know that, successor means +1 and predecessor means -1.
(a) 2
Predecessor = 1,
Successor = 3
(b) 24,530
Predecessor 24,529,
Successor = 24,531
(c) 78,90,214
Predecessor = 78,90213,
Successor = 78,90,214
(d) 85,12,046
Predecessor = 85,12,045,
Successor = 85,12,047
Question no – (2)
Solution :
(a) 135204
International place value systems = 135,304
Indian place value system = 135,204
(b) 9052020
International place value systems = 90,52,020
Indian place value system = 90,52,020
(c) 52147683
International place value systems = 521,412,565
Indian place value system = 52,147,683
(d) 50412565
International place value systems = 50,412,565
Indian place value system = 50,412,565
(e) 25386125
International place value systems = 25,386,125
Indian place value system = 25,3,86,125
(f) 50263050
International place value systems = 50,263,050
Indian place value system = 50,263,050
(g) 52010509
International place value systems = 52,010,509
Indian place value system = 52,010,509
Question no – (3)
Solution :
(a) 67,495,702
= 7,00,000 and 90,000
(b) 75,50,293
= 70,00,000 and 50,000
(c) 140,849,021
= 100,000,000 and 40,000
(d) 75,95,008
= 5,00,000 and 90,000
(e) 17,003,004
= 10,000,000 and 3,000
(f) 23,45,892
= 20,00,000 and 800
(g) 6,80,36,203
= 80,00,000 and 30,000
(h) 2,35,67,890
= 2,00,00,000 and 800
Question no – (4)
Solution :
(a) Three crore seventy lakh forty thousand two hundred five
Now in Indian place value system,
= 3,70,40,205
(b) Nine crore one lakh thirty-three thousand eight hundred seven.
Now in Indian place value system
= 9,01,33,807
(c) Ninety-nine lakh forty-one thousand five hundred ninety.
Now in Indian place value system
= 99,41,590
(d) Sixty-seven lakh four.
Now in Indian place value system,
= 67,00,004
Question no – (5)
Solution :
(a) Three crore seventy lakh fifty thousand two hundred five
Now in international place value system
= 37,050,205
(b) Thirty-four million seven hundred thousand six
Now in International place value system
= 34,700,006
(c) Five million four,
Now in International place value system
= 5,000,004
Large Numbers Exercise 1.3 Solution :
Question no – (1)
Solution :
(a) 12568958 > 12560998
(b) 99999999 > 99999990
(c) 89567426 < 90050580
(d) 10000001 < 90050580
(e) 45612300 > 45632100
(f) 23578246 > 2357842
(g) 72400578 > 72450306
(h) 98765421 > 12345678
Question no – (2)
Solution :
(a) 4345608, 3350720, 21007891, 3052608, 72456218
Now in ascending order,
= 3052608 < 3350720 < 4345608 < 21007891 < 72456218
(b) 2000123, 20607812, 10200123, 20450012, 9999901, 1112222
Now in ascending order,
= 1112222 < 2000123 < 9999901 < 2000123 < 20450012 < 20607812
(c) 12043015, 12010214, 23015670, 10206789, 1243015
Now in ascending order,
= 1243015 < 10206789 < 12010214 < 12043015 < 23015670
(d) 70050236, 10024005, 79050510, 1000245, 70522369, 78045123
Now in ascending order,
= 1000245 < 10024005 < 70050236 < 70522369 < 78045123
Question no – (3)
Solution :
(a) 1205679, 7856824, 5067891, 5026078, 1262187.
Now in descending order,
= 7856824 > 5067891 > 1262187 > 1262187 > 1205679
(b) 8110203, 20104712, 28902823, 20450023, 20801503, 22102183
Now in descending order,
= 8110203 > 28902823 > 22102183 > 20801503 > 20450023 > 20104712
(c) 70130114, 70130110, 70130600, 70130112, 70130350
Now in descending order,
= 70130600 > 70130350 > 70130114 > 70130112 > 70130110
(d) 31010230, 31250202, 43551012, 25020245, 31251236, 31278451
Now in descending order,
= 43551012 > 31278451 > 31251236 > 31250202 > 31010230 > 25020245
Large Numbers Exercise 1.4 Solution :
Question no – (1)
Solution :
(a) 2569868 + 2569856
2569868
+ 2569856
————————
5139724
(b) 548658 – 25689765
2568975
-548658
————————
-25141107
(c) 45689 × 29
45689
× 29
————————
411201
91378×
————————
1324981
(d) 256897 ÷ 26
Question no – (2)
Solution :
(a) 4569824 and 8756845
4569824
+ 8756845
———————-
13326669
(b) 7865489 from 10256842
10256842
– 7865489
———————-
2391353
(c) Multiply 368490 by 81
368490
× 81
——————–
368490
2947920×
——————–
2,98,47,690
(d) Given, 684321 by 95
Now,
Question no – (3)
Solution :
(a) 3598475 and 158964
3598475
+ 8502504
———————-
121,00,979
(b) 159875 and 98753647
159875
+ 98753647
———————-
98,91,3522
Question no – (4)
Solution :
(a) 5698751 and 8502504
= (8502504 – 5698751)
= 28,03,753
(b) 46857540 and 259864754
= (259864754 – 46857540)
= 213007214
Question no – (5)
Solution :
(a) 548934 and 371
548934
371
———————
548934
3842538 ×
646802 × ×
———————
203654514
(b) 248678 and 654
248678
654
———————-
994712
1243390 ×
1492068 × ×
———————-
162635412
Question no – (6)
Solution :
(a) 357819 by 49
∴ Quotient = 7302
∴ Remainder = 21
(b) 2365875 by 107
∴ Quotient = 22110
∴ Remainder = 105
Large Numbers Exercise 1.5 Solution :
Question no – (1)
Solution :
= (12742000 – 6779000) mars
= 5963000 meter
∴ 12742000
– 6779000
———————–
5963000
Therefore, the difference between the diameter of Earth and Mars is 5963000 meter.
Question no – (2)
Solution :
Total amount savouries sold by two baker
= (186295 × 250) gm
= 4657350 gm
Or
186295
× 250
———————–
000000
9314750
37259000
———————–
46573750
∴ Total amount of sweets sold by the baker.
= (186295 × 175) gm
= 32601625 gm
Or
186295
× 175
———————–
9314475
13040650
18629500
———————–
32601625
Question no – (3)
Solution :
The amount of water needed for 275 people for 45 days
= 275 × (4500 × 45) ml
= 275 × 202500 ml
= 55687500 ml
Thus, the amount of water needed for 275 people for 45 days is 55687500 ml.
Question no – (4)
Solution :
As per the given question,
Entrepreneur made a profit in the first year = Rs 45698641
Entrepreneur made a profit in the second year = Rs 2567894
∴ The total profit made by him,
= (45698641 + 2567894)
= 71,377,582 Rs
Therefore, the entrepreneur will made Rs 71,377,582 in both years.
Question no – (5)
Solution :
According to the given question,
Radha purchased gold worth = Rs 86061250.
Each gram of gold is = Rs 3025
∴ Radha purchased gold,
= 8661250/3025 gm
= 28450 gm
Hence, the amount of gold purchased by Radha is 28450 gm.
Large Numbers Exercise 1.6 Solution :
Question no – (1)
Solution :
| Number | Nearest Ten | Nearest Hundred |
Nearest Thousand |
Nearest Ten Thousand |
| 71243 | 71240 | 71200 | 7100 | 70000 |
| 50421 | 50420 | 50400 | 50000 | 50000 |
| 21897 | 21900 | 21900 | 22000 | 20000 |
| 14630 | 14630 | 14000 | 15000 | 10000 |
Question no – (2)
Solution :
| SL.NO | Number | Nearest Lakh | Nearest Ten Lakh | Nearest crore |
| (a) | 9,17,43,459 | 91700 000 | 9,20,00,000 | 9,00,00,000 |
| (b) | 3,63,80,061 | 364,00,000 | 3,60,00,000 | 4,00,000,000 |
| (c) | 7,45,66,438 | 7,46,00,000 | 7,50,00,000 | 7,00,00,000 |
Question no – (3)
Solution :
(a) 786 – 421
= 800 – 400
= 400
(b) 384 + 236
= Addends
= 384 → 400
= 234 → 200
= 400 → 200
= 600
(c) 28 × 41
= 28 → 30
= 41 → 40
= 30 × 40
= 1200
(d) 412 ÷ 36
= 412 → 400
= 36 → 40
= 400 ÷ 40
= 10
(e) 2378 + 5601
= 2378 → 5601
= 5608 → 3000
= 5608 → 5000
= 83000 + 5000
= 8000
(f) 89014 – 52478
= 89-14 → 90000
= 52478 → 50000
= 90000 – 500000
= 40000
(g) 129 × 387
= 129 → 100
= 387 → 400
= 100 → 400
= 40000
(h) 76 × 501
= 76 → 80
= 501 → 500
= 80 → 500
= 40000
Next Chapter Solution :
👉 Chapter 2 👈
