Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 174 · 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 28 January is a Saturday, what day of the week is 7 February? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
2. 2.If 26 July is a Tuesday, what day of the week is 16 August? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
3. 3.If 25 September is a Wednesday, what day of the week is 8 October? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
4. 4.If 13 December is a Wednesday, what day of the week is 21 December? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
5. 5.Today is Tuesday. What day of the week will it be after 42 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
6. 6.If 26 September is a Saturday, what day of the week is 20 October? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
7. 7.If 12 October is a Saturday, what day of the week is 25 October? (a) Sunday (b) Friday (c) Thursday (d) Saturday
8. 8.If 27 October is a Sunday, what day of the week is 17 November? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
9. 9.Today is Wednesday. What day of the week will it be after 56 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
10. 10.If 1 December is a Wednesday, what day of the week is 9 December? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
11. 11.If 3 January is a Monday, what day of the week is 14 January? (a) Thursday (b) Sunday (c) Saturday (d) Friday
12. 12.If 11 March is a Tuesday, what day of the week is 16 April? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
13. 13.Today is Sunday. What day of the week will it be after 90 days? (a) Saturday (b) Friday (c) Monday (d) Sunday
14. 14.If 5 January is a Monday, what day of the week is 20 January? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
15. 15.If 4 January is a Sunday, what day of the week is 13 January? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
16. 16.If 8 July is a Friday, what day of the week is 17 July? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
17. 17.If 18 November is a Wednesday, what day of the week is 19 December? (a) Sunday (b) Monday (c) Saturday (d) Friday
18. 18.If 14 May is a Sunday, what day of the week is 30 May? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
19. 19.If 15 April is a Monday, what day of the week is 7 May? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
20. 20.Today is Saturday. What day of the week will it be after 13 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday
21. 21.Today is Saturday. What day of the week will it be after 39 days? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
22. 22.Today is Wednesday. What day of the week will it be after 88 days? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
23. 23.If 29 March is a Sunday, what day of the week is 19 April? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
24. 24.If 5 July is a Wednesday, what day of the week is 19 July? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
25. 25.If 23 April is a Saturday, what day of the week is 5 May? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
26. 26.If 15 June is a Thursday, what day of the week is 17 July? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
27. 27.If 6 December is a Wednesday, what day of the week is 14 December? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
28. 28.If 31 July is a Monday, what day of the week is 7 August? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
29. 29.If 13 December is a Wednesday, what day of the week is 28 December? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
30. 30.If 7 March is a Friday, what day of the week is 17 March? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
31. 31.If 16 January is a Monday, what day of the week is 13 February? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
32. 32.If 20 May is a Sunday, what day of the week is 15 June? (a) Saturday (b) Thursday (c) Sunday (d) Friday
33. 33.If 8 May is a Friday, what day of the week is 18 May? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
34. 34.If 15 August is a Thursday, what day of the week is 5 September? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
35. 35.If 10 December is a Friday, what day of the week is 21 December? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
36. 36.If 16 May is a Tuesday, what day of the week is 18 June? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
37. 37.If 11 August is a Sunday, what day of the week is 21 August? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
38. 38.Today is Saturday. What day of the week will it be after 80 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
39. 39.If 15 July is a Monday, what day of the week is 11 August? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
40. 40.If 3 December is a Saturday, what day of the week is 12 December? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday

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