Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 365 · 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 8 January is a Thursday, what day of the week is 19 January? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
2. 2.Today is Friday. What day of the week will it be after 61 days? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
3. 3.If 15 November is a Tuesday, what day of the week is 14 December? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
4. 4.If 21 October is a Monday, what day of the week is 10 November? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
5. 5.Today is Monday. What day of the week will it be after 33 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
6. 6.If 13 January is a Monday, what day of the week is 26 January? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
7. 7.If 9 December is a Thursday, what day of the week is 24 December? (a) Sunday (b) Friday (c) Saturday (d) Thursday
8. 8.Today is Friday. What day of the week will it be after 15 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
9. 9.Today is Saturday. What day of the week will it be after 100 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
10. 10.If 25 April is a Saturday, what day of the week is 8 May? (a) Thursday (b) Friday (c) Saturday (d) Sunday
11. 11.If 10 January is a Friday, what day of the week is 26 January? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
12. 12.If 10 September is a Sunday, what day of the week is 18 October? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
13. 13.Today is Monday. What day of the week will it be after 97 days? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
14. 14.If 26 January is a Tuesday, what day of the week is 4 February? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
15. 15.If 24 January is a Monday, what day of the week is 17 February? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
16. 16.If 6 July is a Sunday, what day of the week is 17 July? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
17. 17.Today is Monday. What day of the week will it be after 86 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
18. 18.If 2 July is a Saturday, what day of the week is 12 July? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
19. 19.If 30 September is a Wednesday, what day of the week is 4 October? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
20. 20.Today is Saturday. What day of the week will it be after 93 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
21. 21.Today is Tuesday. What day of the week will it be after 62 days? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
22. 22.If 4 October is a Tuesday, what day of the week is 14 October? (a) Sunday (b) Saturday (c) Friday (d) Thursday
23. 23.If 16 June is a Wednesday, what day of the week is 20 July? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
24. 24.If 10 January is a Monday, what day of the week is 25 January? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
25. 25.If 28 June is a Monday, what day of the week is 16 July? (a) Thursday (b) Friday (c) Sunday (d) Saturday
26. 26.If 15 January is a Saturday, what day of the week is 12 February? (a) Friday (b) Monday (c) Saturday (d) Sunday
27. 27.If 6 January is a Tuesday, what day of the week is 22 January? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
28. 28.Today is Tuesday. What day of the week will it be after 49 days? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
29. 29.If 12 October is a Friday, what day of the week is 27 October? (a) Saturday (b) Friday (c) Monday (d) Sunday
30. 30.Today is Thursday. What day of the week will it be after 16 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
31. 31.If 22 May is a Thursday, what day of the week is 10 June? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
32. 32.If 14 December is a Thursday, what day of the week is 29 December? (a) Sunday (b) Thursday (c) Saturday (d) Friday
33. 33.Today is Monday. What day of the week will it be after 47 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
34. 34.If 4 March is a Tuesday, what day of the week is 20 March? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
35. 35.Today is Monday. What day of the week will it be after 19 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
36. 36.Today is Wednesday. What day of the week will it be after 43 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
37. 37.If 26 November is a Wednesday, what day of the week is 7 December? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
38. 38.If 18 July is a Monday, what day of the week is 5 August? (a) Saturday (b) Sunday (c) Friday (d) Thursday
39. 39.Today is Sunday. What day of the week will it be after 19 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
40. 40.Today is Wednesday. What day of the week will it be after 63 days? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday

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