Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 29 · 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 11 August is a Wednesday, what day of the week is 23 August? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
2. 2.If 12 May is a Monday, what day of the week is 24 May? (a) Saturday (b) Monday (c) Sunday (d) Friday
3. 3.Today is Saturday. What day of the week will it be after 37 days? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
4. 4.If 8 July is a Thursday, what day of the week is 19 July? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
5. 5.Today is Wednesday. What day of the week will it be after 10 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
6. 6.Today is Thursday. What day of the week will it be after 63 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
7. 7.If 22 August is a Sunday, what day of the week is 5 September? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
8. 8.If 12 January is a Friday, what day of the week is 5 February? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
9. 9.Today is Friday. What day of the week will it be after 98 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
10. 10.If 11 January is a Saturday, what day of the week is 22 January? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
11. 11.Today is Tuesday. What day of the week will it be after 31 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
12. 12.If 2 December is a Tuesday, what day of the week is 12 December? (a) Thursday (b) Friday (c) Sunday (d) Saturday
13. 13.Today is Saturday. What day of the week will it be after 13 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
14. 14.If 2 January is a Sunday, what day of the week is 16 January? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
15. 15.If 12 September is a Wednesday, what day of the week is 9 October? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
16. 16.Today is Thursday. What day of the week will it be after 60 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
17. 17.If 15 October is a Monday, what day of the week is 25 October? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
18. 18.If 21 July is a Sunday, what day of the week is 17 August? (a) Sunday (b) Saturday (c) Monday (d) Friday
19. 19.Today is Sunday. What day of the week will it be after 25 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
20. 20.Today is Wednesday. What day of the week will it be after 17 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
21. 21.Today is Thursday. What day of the week will it be after 16 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
22. 22.If 9 March is a Sunday, what day of the week is 19 March? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
23. 23.Today is Saturday. What day of the week will it be after 95 days? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
24. 24.Today is Monday. What day of the week will it be after 56 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
25. 25.If 18 March is a Thursday, what day of the week is 15 April? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
26. 26.If 6 October is a Wednesday, what day of the week is 21 October? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
27. 27.If 6 March is a Monday, what day of the week is 16 March? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
28. 28.If 3 December is a Monday, what day of the week is 13 December? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
29. 29.If 9 July is a Friday, what day of the week is 20 July? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
30. 30.If 7 January is a Friday, what day of the week is 18 January? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
31. 31.If 4 May is a Wednesday, what day of the week is 13 May? (a) Sunday (b) Friday (c) Saturday (d) Thursday
32. 32.Today is Saturday. What day of the week will it be after 33 days? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
33. 33.If 27 August is a Thursday, what day of the week is 14 September? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
34. 34.If 11 April is a Thursday, what day of the week is 6 May? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
35. 35.If 15 April is a Friday, what day of the week is 14 May? (a) Sunday (b) Friday (c) Monday (d) Saturday
36. 36.If 6 August is a Saturday, what day of the week is 20 August? (a) Saturday (b) Monday (c) Friday (d) Sunday
37. 37.If 14 May is a Friday, what day of the week is 24 May? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
38. 38.If 5 October is a Friday, what day of the week is 14 October? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
39. 39.Today is Friday. What day of the week will it be after 22 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
40. 40.If 1 May is a Saturday, what day of the week is 13 May? (a) Friday (b) Saturday (c) Thursday (d) Wednesday

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