Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 21 · 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 5 May is a Sunday, what day of the week is 15 May? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
2. 2.Today is Tuesday. What day of the week will it be after 70 days? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
3. 3.If 7 August is a Sunday, what day of the week is 22 August? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
4. 4.Today is Wednesday. What day of the week will it be after 75 days? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
5. 5.If 15 January is a Sunday, what day of the week is 24 January? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
6. 6.If 10 January is a Wednesday, what day of the week is 26 January? (a) Thursday (b) Friday (c) Sunday (d) Saturday
7. 7.If 12 June is a Friday, what day of the week is 7 July? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
8. 8.Today is Monday. What day of the week will it be after 39 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
9. 9.If 7 December is a Monday, what day of the week is 16 December? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
10. 10.Today is Thursday. What day of the week will it be after 26 days? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
11. 11.If 13 July is a Monday, what day of the week is 26 July? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
12. 12.If 9 July is a Thursday, what day of the week is 19 July? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
13. 13.If 27 April is a Tuesday, what day of the week is 1 May? (a) Friday (b) Sunday (c) Monday (d) Saturday
14. 14.Today is Saturday. What day of the week will it be after 22 days? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
15. 15.If 12 July is a Sunday, what day of the week is 20 July? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
16. 16.If 6 March is a Wednesday, what day of the week is 20 March? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
17. 17.If 14 May is a Wednesday, what day of the week is 7 June? (a) Saturday (b) Friday (c) Monday (d) Sunday
18. 18.If 9 March is a Wednesday, what day of the week is 21 March? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
19. 19.Today is Thursday. What day of the week will it be after 74 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
20. 20.Today is Monday. What day of the week will it be after 30 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
21. 21.If 11 March is a Thursday, what day of the week is 26 March? (a) Friday (b) Sunday (c) Saturday (d) Thursday
22. 22.If 12 July is a Tuesday, what day of the week is 7 August? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
23. 23.If 12 May is a Monday, what day of the week is 27 May? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
24. 24.If 13 April is a Tuesday, what day of the week is 6 May? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
25. 25.If 13 November is a Thursday, what day of the week is 3 December? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
26. 26.Today is Saturday. What day of the week will it be after 85 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
27. 27.If 11 July is a Friday, what day of the week is 3 August? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
28. 28.If 15 September is a Thursday, what day of the week is 8 October? (a) Friday (b) Sunday (c) Saturday (d) Monday
29. 29.Today is Wednesday. What day of the week will it be after 65 days? (a) Sunday (b) Saturday (c) Thursday (d) Friday
30. 30.Today is Thursday. What day of the week will it be after 32 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
31. 31.If 24 April is a Thursday, what day of the week is 13 May? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
32. 32.If 11 January is a Saturday, what day of the week is 23 January? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
33. 33.If 1 July is a Thursday, what day of the week is 11 July? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
34. 34.If 13 March is a Monday, what day of the week is 29 March? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
35. 35.If 11 March is a Sunday, what day of the week is 27 March? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
36. 36.If 2 July is a Saturday, what day of the week is 11 July? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
37. 37.Today is Wednesday. What day of the week will it be after 32 days? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
38. 38.Today is Thursday. What day of the week will it be after 94 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
39. 39.If 3 July is a Thursday, what day of the week is 11 July? (a) Thursday (b) Friday (c) Sunday (d) Saturday
40. 40.Today is Friday. What day of the week will it be after 17 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday

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