Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 973 · 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 Friday, what day of the week is 17 January? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
2. 2.Today is Wednesday. What day of the week will it be after 98 days? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
3. 3.If 6 October is a Friday, what day of the week is 20 October? (a) Thursday (b) Sunday (c) Friday (d) Saturday
4. 4.If 9 August is a Saturday, what day of the week is 18 August? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
5. 5.If 27 November is a Monday, what day of the week is 19 December? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
6. 6.If 9 January is a Monday, what day of the week is 20 January? (a) Thursday (b) Sunday (c) Saturday (d) Friday
7. 7.Today is Thursday. What day of the week will it be after 21 days? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
8. 8.Today is Friday. What day of the week will it be after 51 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
9. 9.If 8 October is a Thursday, what day of the week is 18 October? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
10. 10.If 2 October is a Friday, what day of the week is 11 October? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
11. 11.If 3 December is a Sunday, what day of the week is 17 December? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
12. 12.Today is Saturday. What day of the week will it be after 72 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
13. 13.If 18 September is a Monday, what day of the week is 1 October? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
14. 14.If 15 January is a Saturday, what day of the week is 7 February? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
15. 15.If 26 March is a Friday, what day of the week is 16 April? (a) Saturday (b) Friday (c) Thursday (d) Sunday
16. 16.If 10 November is a Thursday, what day of the week is 12 December? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
17. 17.If 13 April is a Thursday, what day of the week is 5 May? (a) Sunday (b) Thursday (c) Friday (d) Saturday
18. 18.If 13 May is a Thursday, what day of the week is 23 May? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
19. 19.Today is Thursday. What day of the week will it be after 36 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
20. 20.If 10 May is a Friday, what day of the week is 22 May? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
21. 21.If 13 September is a Tuesday, what day of the week is 17 October? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
22. 22.Today is Saturday. What day of the week will it be after 78 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
23. 23.If 1 May is a Saturday, what day of the week is 14 May? (a) Thursday (b) Saturday (c) Friday (d) Sunday
24. 24.If 14 October is a Thursday, what day of the week is 29 October? (a) Saturday (b) Friday (c) Thursday (d) Sunday
25. 25.If 10 October is a Saturday, what day of the week is 24 October? (a) Sunday (b) Saturday (c) Monday (d) Friday
26. 26.If 2 March is a Monday, what day of the week is 11 March? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
27. 27.If 12 July is a Tuesday, what day of the week is 13 August? (a) Sunday (b) Monday (c) Saturday (d) Friday
28. 28.Today is Tuesday. What day of the week will it be after 83 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
29. 29.If 6 March is a Monday, what day of the week is 14 March? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
30. 30.Today is Sunday. What day of the week will it be after 63 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
31. 31.If 11 August is a Sunday, what day of the week is 26 August? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
32. 32.If 31 January is a Thursday, what day of the week is 12 February? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
33. 33.Today is Sunday. What day of the week will it be after 84 days? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
34. 34.If 18 August is a Wednesday, what day of the week is 20 September? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
35. 35.If 14 January is a Sunday, what day of the week is 17 February? (a) Monday (b) Friday (c) Saturday (d) Sunday
36. 36.If 1 January is a Monday, what day of the week is 11 January? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
37. 37.If 14 January is a Wednesday, what day of the week is 26 January? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
38. 38.If 15 October is a Sunday, what day of the week is 25 October? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
39. 39.If 14 October is a Monday, what day of the week is 4 November? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
40. 40.If 10 July is a Saturday, what day of the week is 26 July? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday

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