Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 901 · 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.Today is Wednesday. What day of the week will it be after 89 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
2. 2.If 3 July is a Tuesday, what day of the week is 19 July? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
3. 3.If 15 January is a Thursday, what day of the week is 31 January? (a) Friday (b) Monday (c) Sunday (d) Saturday
4. 4.If 17 March is a Wednesday, what day of the week is 10 April? (a) Saturday (b) Sunday (c) Friday (d) Monday
5. 5.Today is Saturday. What day of the week will it be after 94 days? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
6. 6.Today is Wednesday. What day of the week will it be after 60 days? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
7. 7.If 11 May is a Saturday, what day of the week is 25 May? (a) Sunday (b) Monday (c) Saturday (d) Friday
8. 8.If 13 December is a Monday, what day of the week is 25 December? (a) Sunday (b) Friday (c) Monday (d) Saturday
9. 9.If 11 June is a Wednesday, what day of the week is 17 July? (a) Saturday (b) Wednesday (c) Friday (d) Thursday
10. 10.Today is Wednesday. What day of the week will it be after 93 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
11. 11.Today is Saturday. What day of the week will it be after 71 days? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
12. 12.Today is Sunday. What day of the week will it be after 23 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
13. 13.If 15 January is a Thursday, what day of the week is 8 February? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
14. 14.If 21 March is a Sunday, what day of the week is 11 April? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
15. 15.If 1 October is a Saturday, what day of the week is 13 October? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
16. 16.If 1 October is a Tuesday, what day of the week is 15 October? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
17. 17.If 20 September is a Wednesday, what day of the week is 17 October? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
18. 18.If 16 May is a Thursday, what day of the week is 4 June? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
19. 19.If 14 March is a Thursday, what day of the week is 15 April? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
20. 20.If 10 January is a Wednesday, what day of the week is 21 January? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
21. 21.Today is Tuesday. What day of the week will it be after 37 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
22. 22.Today is Tuesday. What day of the week will it be after 19 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
23. 23.If 3 January is a Sunday, what day of the week is 14 January? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
24. 24.Today is Sunday. What day of the week will it be after 54 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
25. 25.If 11 November is a Saturday, what day of the week is 7 December? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
26. 26.If 19 June is a Wednesday, what day of the week is 17 July? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
27. 27.Today is Friday. What day of the week will it be after 60 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
28. 28.If 12 July is a Saturday, what day of the week is 4 August? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
29. 29.If 23 July is a Monday, what day of the week is 4 August? (a) Friday (b) Sunday (c) Saturday (d) Monday
30. 30.If 22 August is a Tuesday, what day of the week is 19 September? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
31. 31.If 13 October is a Wednesday, what day of the week is 23 October? (a) Monday (b) Sunday (c) Saturday (d) Friday
32. 32.Today is Monday. What day of the week will it be after 33 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
33. 33.If 6 December is a Friday, what day of the week is 20 December? (a) Sunday (b) Thursday (c) Saturday (d) Friday
34. 34.If 11 September is a Tuesday, what day of the week is 19 October? (a) Saturday (b) Sunday (c) Thursday (d) Friday
35. 35.If 12 March is a Tuesday, what day of the week is 27 March? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
36. 36.Today is Sunday. What day of the week will it be after 64 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
37. 37.Today is Wednesday. What day of the week will it be after 97 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
38. 38.If 12 July is a Wednesday, what day of the week is 17 August? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
39. 39.Today is Sunday. What day of the week will it be after 32 days? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
40. 40.If 29 March is a Monday, what day of the week is 3 April? (a) Saturday (b) Monday (c) Sunday (d) Friday

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