Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 50 · 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 1 January is a Tuesday, what day of the week is 17 January? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
2. 2.If 30 July is a Friday, what day of the week is 19 August? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
3. 3.If 3 March is a Saturday, what day of the week is 12 March? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
4. 4.Today is Tuesday. What day of the week will it be after 30 days? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
5. 5.Today is Thursday. What day of the week will it be after 43 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
6. 6.If 12 October is a Tuesday, what day of the week is 23 October? (a) Saturday (b) Sunday (c) Friday (d) Monday
7. 7.If 3 December is a Tuesday, what day of the week is 12 December? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
8. 8.Today is Wednesday. What day of the week will it be after 25 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
9. 9.If 3 January is a Monday, what day of the week is 17 January? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
10. 10.If 9 May is a Friday, what day of the week is 25 May? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
11. 11.If 7 October is a Thursday, what day of the week is 21 October? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
12. 12.If 13 March is a Monday, what day of the week is 22 March? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
13. 13.If 12 April is a Wednesday, what day of the week is 19 May? (a) Saturday (b) Thursday (c) Sunday (d) Friday
14. 14.If 16 July is a Monday, what day of the week is 17 August? (a) Thursday (b) Friday (c) Saturday (d) Sunday
15. 15.If 24 July is a Saturday, what day of the week is 7 August? (a) Saturday (b) Friday (c) Monday (d) Sunday
16. 16.Today is Tuesday. What day of the week will it be after 54 days? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
17. 17.If 7 January is a Monday, what day of the week is 19 January? (a) Saturday (b) Monday (c) Sunday (d) Friday
18. 18.If 10 August is a Monday, what day of the week is 25 August? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
19. 19.Today is Friday. What day of the week will it be after 99 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
20. 20.If 1 January is a Sunday, what day of the week is 17 January? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
21. 21.If 9 January is a Thursday, what day of the week is 20 January? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
22. 22.If 12 January is a Friday, what day of the week is 22 January? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
23. 23.If 16 January is a Monday, what day of the week is 15 February? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
24. 24.If 10 July is a Sunday, what day of the week is 20 July? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
25. 25.Today is Saturday. What day of the week will it be after 17 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
26. 26.Today is Sunday. What day of the week will it be after 57 days? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
27. 27.If 8 March is a Friday, what day of the week is 20 March? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
28. 28.Today is Sunday. What day of the week will it be after 82 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
29. 29.If 18 July is a Tuesday, what day of the week is 7 August? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
30. 30.If 24 September is a Wednesday, what day of the week is 10 October? (a) Thursday (b) Saturday (c) Friday (d) Sunday
31. 31.If 12 April is a Sunday, what day of the week is 10 May? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
32. 32.Today is Tuesday. What day of the week will it be after 27 days? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
33. 33.Today is Saturday. What day of the week will it be after 37 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
34. 34.Today is Wednesday. What day of the week will it be after 58 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
35. 35.Today is Saturday. What day of the week will it be after 43 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
36. 36.If 4 July is a Monday, what day of the week is 13 July? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
37. 37.Today is Tuesday. What day of the week will it be after 64 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
38. 38.Today is Monday. What day of the week will it be after 73 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
39. 39.If 6 March is a Saturday, what day of the week is 21 March? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
40. 40.If 13 October is a Saturday, what day of the week is 5 November? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday

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