In a bookshop, the average number of biology, chemistry and

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IB ACIO Grade II Previous Paper 5 (Held on: 19 Feb 2021 Shift 1)
General Awareness
1. 01
2. 02
3. 03
4. 04
5. 05
6. 06
7. 07
8. 08
9. 09
10. 10
11. 11
12. 12
13. 13
14. 14
15. 15
16. 16
17. 17
18. 18
19. 19
20. 20
Quantitative Aptitude
1. 21
2. 22
3. 23
4. 24
5. 25
6. 26
7. 27
8. 28
9. 29
10. 30
11. 31
12. 32
13. 33
14. 34
15. 35
16. 36
17. 37
18. 38
19. 39
20. 40
Reasoning
1. 41
2. 42
3. 43
4. 44
5. 45
6. 46
7. 47
8. 48
9. 49
10. 50
11. 51
12. 52
13. 53
14. 54
15. 55
16. 56
17. 57
18. 58
19. 59
20. 60
English
1. 61
2. 62
3. 63
4. 64
5. 65
6. 66
7. 67
8. 68
9. 69
10. 70
11. 71
12. 72
13. 73
14. 74
15. 75
16. 76
17. 77
18. 78
19. 79
20. 80
General Knowledge
1. 81
2. 82
3. 83
4. 84
5. 85
6. 86
7. 87
8. 88
9. 89
10. 90
11. 91
12. 92
13. 93
14. 94
15. 95
16. 96
17. 97
18. 98
19. 99
20. 100

SKINS
ADS

Red
Pink
Purple
Deep Purple
Indigo
Blue
Light Blue
Cyan
Teal
Green
Light Green
Lime
Yellow
Amber
Orange
Deep Orange
Brown
Grey
Blue Grey
Black
White

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In a bookshop, the average number of biology, chemistry and physics books is 360. The biology books are 180 more than the average number of chemistry and physics books. The number of physics books is 180 less than the average of biology and chemistry books. What is the number of chemistry books in the shop?

[IB ACIO Grade II Previous Paper 5 (Held on: 19 Feb 2021 Shift 1)]

A

420

B

540

C

480

D

360

EXPLANATION

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