Page 294 - Start Up Mathematics_6

12. 2,00,000 13. 25 4. (a) 3,50,000 (b) 60,000 (c) 45,100 (d) 50,00,000
14. (a) CDXLVI (b) CCCXLI (c) LXVI 5. (a) 24,850 (b) 4,27,900 (c) 8,12,600
(d) CCXXVII (e) XLIX (f) CMXCIX (d) 16,84,000
Thinking Skills 519
1. 9,998 2. 0 3. 99 6. 13 6750
4. (a) One billion three hundred twenty-nine million eight –65
hundred fifty-four thousand one hundred thirty-four 25 Quotient × Divisor + Remainder
(b) One hundred thirty-two crore ninety-eight lakh fifty- –13 = 519 × 13 + 3
= 6,750 = Dividend
four thousand one hundred thirty-four 120
Values and Life Skills –117
3
1. 2,49,536 2. 79 3. 2,033
1672
Exemplar Problems 7. 16 26755
1. c 2. False 3. False –16
4. 5,23,78,401 5. (a) 26491400 (b) 26400000 107
6. 142,800,000; One hundred forty million eight hundred –96 Quotient × Divisor + Remainder
thousand 115 = 1,672 × 16 + 3
7. 9979003568 8. ` 46,120 9. 1,79,370 –112 = 26,755 = Dividend
35
Chapter 2 –32
Exercise 2.1 3
1. (a) 9,87,099 ; 9,87,100 ; 9,87,101 8. (a) 5 (b) 0 (c) not defined (d) 5
(b) 10,868 ; 10,869 ; 10,870 9. 5,940 10. 9,001 11. 3 or 4
(c) 1,00,000 ; 1,00,001 ; 1,00,002 12. 24 13. 765
2. (a) 29,000 ; 28,999 ; 28,998 Puzzle
(b) 34,798 ; 34,797 ; 34,796 Digit E should be equal to 0.
(c) 5,62,300 ; 5,62,299 ; 5,62,298 Exercise 2.3
3. Largest whole number does not exists 4. 30 1. (a) 11,110 ; 1,11,110 (b) 4,44,444 ; 5,55,555
5. (a) 2,35,680 (b) 7,86,421 (c) 9,80,100 Reason It Out!
6. (a) 5,66,999 (b) 34,59,079 (c) 89,00,119 I: (i) 781; 3,906 (ii) 15; 21
7. (a) 378; 387 >378 (b) 1,001; 1,001 < 1,101 0 1
(c) 3,456; 3,456 < 6,543 (d) 36,789; 36,789 < 3,67,899 II: 2 3 ; Yes
5 6

8. Review Exercises
0 1 2 3 4 5 6 7 8 9 10 11
Multiple Choice Questions
5 + 6 = 11 1. a 2. c 3. b 4. b 5. b 6. a
Solve Mentally

True or False
9. 1. True 2. True 3. False 4. True 5. True
0 1 2 3 4 5 6 7 8 9 Fill in the Blanks
9 – 5 = 4 1. a; multiplicative identity 2. commutative
3. divisor 4. closure; whole
10. 5. distributive; 2 6. zero
0 5 10 15 20
Answer in One Word or a Line
5 × 3 = 15 1. 0 2. No 3. Two (0, 1)
Exercise 2.2 4. Division by 0 is not defined; No 5. 1,000
1. (a) 456 (b) 124 (c) 8,769 Let’s Evaluate
2. (a) 1,700 (b) 500 (c) 16,000 (d) 500 1. 9,999 ; 10,000 ; 10,001 2. 20,000 ; 19,999 ; 19,998
3. (a) 24,514 (b) 15,246 (c) 4,257 (d) 1,38,414 3. 1,02,998 4. 76,85,950

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