Page 132 - Genius Kidz Math Marathon- 4

Answer Sheet

Revision 3. T-l L T-th Th H T O
1. (a) Two thousand four hundred eighty-six; (b) Four (a) 0 4 6 7 2 8
thousand three hundred seventy-two; (c) Eight thousand four
(b) 9 3 7 5 4 5
hundred eighty-eight; (d) Nine thousand; (e) Seven thousand
two hundred eighty-five; (f) four thousand five hundred (c) 4 6 0 3 2 4
2.
eighty-two; (a) 5260; (b) 6040; (c) 7040; (d) 5001; (e)
(d) 1 7 5 3 5 8 0
3061; (f) 8000; (g) 6016; (h) 1080; (a) 30; (b) 300; (c) 3;
3.
(d) 3000; (e) 3000; (f) 300; (g) 3; (h) 300; (i) 30; 4. (a) (e) 3 6 5 4 3 7
4000 + 600 + 80 + 4; (b) 6000 + 300 + 20 + 5; (c) 3000 + Exercise 1.3
500 + 20 + 8; (d) 6000 + 300 + 50 + 8; (e) 9000 + 200 + 80
1. (a) 24,566; (b) 38,409; (c) 74,415; (d) 1,34,246;
+ 7 (f) 8000 + 500 + 40 + 3; (g) 5000 + 300 + 20 + 9; (h) (e) 1,83,464; (f) 2,73,317; (g) 35,40,329; (h) 74,34,872;
9000 + 100 + 70 + 8; 5. (a) 5154; (b) 6832; (c) 9705; (d)
8962; (e) 8671; (f) 7612; (g) 5437; (h) 4323; 6. (a) 1420, 2. (a) 30,119; (b) 26,988; (c) 36,683; (d) 1,40,236;
(e) 5,23,416; (f) 9,23,701; (g) 61,23,219; (h) 89,30,306;
1752, 5603, 7342; (b) 4000, 5000, 6000, 8000; (c) 3618,
4215, 7278, 9413; (d) 9018, 9108, 9180, 9810; (e) 2306, Exercise 1.4
7.
4308, 4522, 4999; (f) 1041, 1042, 1044, 1410; (a) 7238, 1. (a) 2; (b) 5; (c) 6; (d) 7; (e) 9; (f) 1; (g) 8; (h) 2; 2. (a)
6480, 6134, 6048; (b) 6676, 6534, 3470, 2084; (c) 6225, 400; (b) 50000; (c) 6000; (d) 900000; (e) 5000; (f) 8; (g)
4250, 3212, 3149; (d) 9000, 7700, 7600, 7400; (e) 9699, 1000000; (h) 400000; (a) 40000, 6000, 700, 30, 2; (b)
3.
8.
8993, 6999, 6909; (f) 8488, 6888, 4888, 3887; (a) <; (b) 50000, 8000, 400, 60, 4; (c) 200000, 10000, 1000, 300, 10,
>; (c) <; (d) >; (e) <; (f) >; (g) >; (h) <; (i) >; 8643, 3468; 4; (d) 300000, 70000, 6000, 400, 80, 2; (e) 500000, 70000,
9.
10. 9999, 1000; 11. (a) 7006; (b) 6586; (c) 7941; (d) 7445; 6000, 400, 80, 6; (f) 100000, 70000, 3000, 200, 40, 0; (g)
(e) 4797; (f) 7446; (g) 9153; (h) 5772; (i) 4968; 13. (a) 2000000, 900000, 80000, 7000, 500, 20, 1; (h) 9000000,
2634; (b) 3072; (c) 2534; (d) 2689; (e) 2346; (f) 6000; 14. ` 900000, 50000, 6000, 300, 70, 2; (a) 44000; (b) 404; (c)
4.
7830; 15. 4277; 16. (a) 3704; (b) 6718; (c) 1231; (d) 2735; 4040; (d) 400040; (e) 400040; (f) 400040; (g) 4400000; (h)
(e) 4147; (f) 2196; (g) 4424; (h) 5341; (i) 6953; 17. 1301; 4040;
18. 4988; 19. (a) 135; (b) 30; (c) 112; (d) 160; (e) 1600; (f)
600; (g) 800; (h) 2700; (i) 350; 20. (a) 1170; (b) 1148; (c) Exercise 1.5
3615; (d) 2748; (e) 3395; 21. (a) 4, (b) 6, (c) 32, (d) 5, (e) 1. (a) 50,000 + 4,000 + 600 + 80 + 2; (b) 20,000 + 6,000 +
4, (f) 1; 22. 3600 pens; 23. 3400 boys; 24. (a) 10; (b) 20; 700 + 30 + 2; (c) 1,00,000 + 20,000 + 7,000 + 300 + 40 + 6;
(c) 20; (d) 120; (e) 1; (f) 424; (g) 117; (h) 228; (d) 9,00,000 + 70,000 + 6,000 + 400 + 50; (e) 20,00,000 +
3,00,000 + 40,000 + 7,000 + 300 + 50 + 8; (f) 50,00,000 +
1 3 5 1 4,00,000 + 20,000 + 1,000 + 70 + 3; (g) 70,00,000 +
(i) 5; 25. Q 41 R 7; 26. 10; 27. (a) ; (b) ; (c) ; (d) ;
8
4 8,00,000 + 20,000 + 4,000 + 200 + 70 + 5; (a) 53,219; (b)
9
4
2.
98,882; (c) 4,30,273; (d) 6,07,384; (e) 13,20,320; (f)
1 2 1 6 10 2
28. (a) ; (b) ; (c) ; (d) ; (e) ; (f) ; 80,53,200.
20
19
11
13
7
14
Exercise 1.6
Exercise 1.1
1. (a) <; (b) <; (c) >; (d) >; (e) >; (f) >; 2. (a) 9,734 < 53,284 <
1. (a) 46736, 46737, 46738, 46739; (b) 29525, 29526, 29527, 60,734 < 67,342 < 76,452; (b) 8,99,980 < 9,89,709 <
29528, 29529; (c) 43299, 43300, 43301, (d) 503895, 503896, 9,97,846 < 9,98,078 < 9,99,807; (c) 70,770 < 7,00,707 <
503897, 503898; (e) 180886, 180887, 180888, 180889; 7,07,007 < 7,70,077 < 7,70,707; (d) 44,004 < 4,00,444 <
(f) 247361, 247362, 247363, 247364; (g) 4673255, 4673256, (a) 7,76,093 > 5,64,875 >
4673257, 4673258, 4673259; (h) 7000001, 7000002, 4,04,404 < 4,40,404 < 4,40,440; 3.
3,27,536 > 58,734 > 7,869; (b) 77,60,345 > 64,32,752 >
7000003, 7000004; (i) 8003643, 8003644, 8003645, 6,73,829 > 48,450 > 40,485; (c) 7,34,584 > 3,27,554 >
8003646, 8003647, 8003648; 2. (a) Forty-six thousand three
2,35,487 > 1,49,936 > 7,643; (d) 6,43,942 > 3,27,583 >
hundred fifty-two; (b) Fifty-seven thousand six hundred forty- 1,64,346 > 43,524 > 8,764.
eight; (c) Two lakh ninety-six thousand four hundred fifty-
three; (d) Seven lakh sixty-four thousand two hundred eighty- Exercise 1.7
four; (e) Six lakh seventy-three thousand two hundred eighty- 1. (a) 64,322; (b) 65,421; (c) 87,521; (d) 76,432; (e) 64,320;
four; (f) Three lakh seventy-six thousand four hundred (f) 98,530; (g) 76,421; (h) 85,430; 2. (a) 12,348; (b) 24,789;
seventy-two; (g) Eighteen lakh seventy-five thousand four (c) 20,367; (d) 12,357; (e) 25,789; (f) 45,679; (g) 23,479;
hundred thirty-two; (h) Twenty-nine lakh seventy-six (h) 24,678; 3. (a) 8,76,432; (b) 8,74,321; (c) 7,43,210;
thousand five hundred; (i) Forty-seven lakh fifty-two thousand (d) 8,76,532; (e) 9,85,432; (f) 9,87,654; (g) 7,65,432;
one hundred eighty; (j) Seventy-two lakh forty-six thousand (h) 9,65,532; (a) 1,34,678; (b) 2,56,789; (c) 2,03,458;
4.
nine hundred twenty-seven; (d) 2,34,567; (e) 1,23,467; (f) 1,23,567; (g) 2,23,467;
(h) 1,23,567;
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132 Mathematics–4