Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 557 · 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 10 December is a Wednesday, what day of the week is 21 December? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
2. 2.Today is Monday. What day of the week will it be after 12 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
3. 3.Today is Saturday. What day of the week will it be after 96 days? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
4. 4.Today is Wednesday. What day of the week will it be after 63 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
5. 5.If 10 January is a Monday, what day of the week is 18 January? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
6. 6.Today is Friday. What day of the week will it be after 60 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
7. 7.If 13 May is a Saturday, what day of the week is 22 May? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
8. 8.If 13 December is a Monday, what day of the week is 27 December? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
9. 9.If 12 August is a Monday, what day of the week is 22 August? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
10. 10.If 4 March is a Thursday, what day of the week is 20 March? (a) Saturday (b) Friday (c) Monday (d) Sunday
11. 11.If 11 January is a Tuesday, what day of the week is 7 February? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
12. 12.If 16 October is a Tuesday, what day of the week is 4 November? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
13. 13.Today is Sunday. What day of the week will it be after 75 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
14. 14.If 18 March is a Wednesday, what day of the week is 10 April? (a) Saturday (b) Thursday (c) Sunday (d) Friday
15. 15.Today is Monday. What day of the week will it be after 17 days? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
16. 16.If 10 October is a Thursday, what day of the week is 15 November? (a) Saturday (b) Friday (c) Thursday (d) Sunday
17. 17.Today is Wednesday. What day of the week will it be after 89 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
18. 18.If 18 June is a Friday, what day of the week is 1 July? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
19. 19.If 13 April is a Tuesday, what day of the week is 16 May? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
20. 20.If 31 July is a Wednesday, what day of the week is 19 August? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
21. 21.Today is Friday. What day of the week will it be after 90 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
22. 22.Today is Wednesday. What day of the week will it be after 98 days? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
23. 23.Today is Monday. What day of the week will it be after 91 days? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
24. 24.If 11 May is a Saturday, what day of the week is 22 May? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
25. 25.If 16 January is a Sunday, what day of the week is 18 February? (a) Sunday (b) Friday (c) Thursday (d) Saturday
26. 26.If 4 August is a Thursday, what day of the week is 18 August? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
27. 27.If 9 July is a Friday, what day of the week is 22 July? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
28. 28.If 13 November is a Wednesday, what day of the week is 6 December? (a) Thursday (b) Saturday (c) Sunday (d) Friday
29. 29.Today is Sunday. What day of the week will it be after 98 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
30. 30.If 2 October is a Saturday, what day of the week is 13 October? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
31. 31.If 14 May is a Monday, what day of the week is 29 May? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
32. 32.Today is Tuesday. What day of the week will it be after 11 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
33. 33.If 12 March is a Sunday, what day of the week is 18 April? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
34. 34.Today is Monday. What day of the week will it be after 64 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
35. 35.Today is Tuesday. What day of the week will it be after 49 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
36. 36.If 18 June is a Sunday, what day of the week is 20 July? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
37. 37.If 21 August is a Thursday, what day of the week is 16 September? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
38. 38.If 21 May is a Tuesday, what day of the week is 19 June? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
39. 39.If 14 May is a Sunday, what day of the week is 1 June? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
40. 40.If 14 September is a Saturday, what day of the week is 14 October? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday

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