Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 99 · 40 questions

How to solve it (Throw away the weeks): Count the days between the two dates (use the month lengths: 30 or 31, February 28 in an ordinary year). Divide by 7: whole weeks do not change the day; the remainder does. Count the remainder on from the starting day.

1. 1.If 12 August is a Tuesday, what day of the week is 24 August? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
2. 2.If 8 May is a Monday, what day of the week is 23 May? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
3. 3.Today is Monday. What day of the week will it be after 79 days? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
4. 4.If 9 May is a Sunday, what day of the week is 22 May? (a) Sunday (b) Friday (c) Saturday (d) Monday
5. 5.If 13 August is a Wednesday, what day of the week is 29 August? (a) Saturday (b) Friday (c) Thursday (d) Sunday
6. 6.If 23 August is a Monday, what day of the week is 10 September? (a) Saturday (b) Thursday (c) Sunday (d) Friday
7. 7.If 1 July is a Wednesday, what day of the week is 10 July? (a) Sunday (b) Friday (c) Thursday (d) Saturday
8. 8.If 21 July is a Tuesday, what day of the week is 1 August? (a) Saturday (b) Sunday (c) Friday (d) Monday
9. 9.If 14 July is a Wednesday, what day of the week is 22 July? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
10. 10.Today is Saturday. What day of the week will it be after 19 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
11. 11.Today is Tuesday. What day of the week will it be after 70 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
12. 12.If 18 March is a Sunday, what day of the week is 9 April? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
13. 13.If 16 June is a Friday, what day of the week is 8 July? (a) Friday (b) Monday (c) Sunday (d) Saturday
14. 14.If 7 July is a Tuesday, what day of the week is 18 July? (a) Friday (b) Monday (c) Sunday (d) Saturday
15. 15.If 6 August is a Monday, what day of the week is 16 August? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
16. 16.If 9 January is a Monday, what day of the week is 18 January? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
17. 17.If 31 March is a Saturday, what day of the week is 11 April? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
18. 18.If 3 August is a Saturday, what day of the week is 19 August? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
19. 19.If 10 July is a Friday, what day of the week is 26 July? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
20. 20.If 1 May is a Monday, what day of the week is 11 May? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
21. 21.Today is Monday. What day of the week will it be after 62 days? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
22. 22.Today is Friday. What day of the week will it be after 47 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
23. 23.If 29 September is a Thursday, what day of the week is 3 October? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
24. 24.If 22 March is a Sunday, what day of the week is 3 April? (a) Friday (b) Thursday (c) Sunday (d) Saturday
25. 25.Today is Thursday. What day of the week will it be after 26 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
26. 26.If 24 January is a Wednesday, what day of the week is 1 February? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
27. 27.If 13 September is a Sunday, what day of the week is 2 October? (a) Friday (b) Saturday (c) Sunday (d) Thursday
28. 28.Today is Saturday. What day of the week will it be after 15 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
29. 29.Today is Saturday. What day of the week will it be after 87 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
30. 30.If 15 March is a Monday, what day of the week is 24 March? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
31. 31.Today is Saturday. What day of the week will it be after 32 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
32. 32.Today is Saturday. What day of the week will it be after 11 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
33. 33.If 24 August is a Monday, what day of the week is 17 September? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
34. 34.If 9 December is a Friday, what day of the week is 17 December? (a) Sunday (b) Friday (c) Monday (d) Saturday
35. 35.If 11 January is a Saturday, what day of the week is 17 February? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
36. 36.Today is Sunday. What day of the week will it be after 78 days? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
37. 37.Today is Monday. What day of the week will it be after 63 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
38. 38.If 7 July is a Friday, what day of the week is 22 July? (a) Monday (b) Saturday (c) Friday (d) Sunday
39. 39.If 25 June is a Monday, what day of the week is 17 July? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
40. 40.Today is Monday. What day of the week will it be after 64 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday

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