Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 163 · 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 9 December is a Wednesday, what day of the week is 18 December? (a) Saturday (b) Thursday (c) Sunday (d) Friday
2. 2.If 5 August is a Thursday, what day of the week is 19 August? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
3. 3.If 23 October is a Saturday, what day of the week is 17 November? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
4. 4.If 5 August is a Friday, what day of the week is 19 August? (a) Friday (b) Sunday (c) Thursday (d) Saturday
5. 5.If 11 November is a Tuesday, what day of the week is 1 December? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
6. 6.Today is Saturday. What day of the week will it be after 70 days? (a) Friday (b) Saturday (c) Sunday (d) Monday
7. 7.If 12 May is a Sunday, what day of the week is 20 June? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
8. 8.If 11 August is a Tuesday, what day of the week is 20 August? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
9. 9.If 12 June is a Tuesday, what day of the week is 7 July? (a) Sunday (b) Monday (c) Friday (d) Saturday
10. 10.Today is Monday. What day of the week will it be after 100 days? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
11. 11.Today is Monday. What day of the week will it be after 88 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
12. 12.If 25 April is a Thursday, what day of the week is 12 May? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
13. 13.If 15 August is a Tuesday, what day of the week is 25 August? (a) Saturday (b) Thursday (c) Friday (d) Sunday
14. 14.If 18 January is a Tuesday, what day of the week is 6 February? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
15. 15.If 19 January is a Friday, what day of the week is 14 February? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
16. 16.Today is Tuesday. What day of the week will it be after 21 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
17. 17.Today is Saturday. What day of the week will it be after 72 days? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
18. 18.If 25 May is a Monday, what day of the week is 1 June? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
19. 19.If 13 January is a Thursday, what day of the week is 3 February? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
20. 20.If 10 May is a Monday, what day of the week is 21 May? (a) Thursday (b) Saturday (c) Friday (d) Sunday
21. 21.Today is Monday. What day of the week will it be after 52 days? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
22. 22.If 13 November is a Tuesday, what day of the week is 19 December? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
23. 23.If 22 September is a Thursday, what day of the week is 11 October? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
24. 24.Today is Monday. What day of the week will it be after 59 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
25. 25.If 3 October is a Wednesday, what day of the week is 17 October? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
26. 26.If 16 July is a Friday, what day of the week is 19 August? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
27. 27.If 12 January is a Saturday, what day of the week is 21 January? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
28. 28.Today is Thursday. What day of the week will it be after 42 days? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
29. 29.Today is Friday. What day of the week will it be after 21 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
30. 30.Today is Tuesday. What day of the week will it be after 43 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
31. 31.If 13 March is a Saturday, what day of the week is 28 March? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
32. 32.If 3 March is a Monday, what day of the week is 11 March? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
33. 33.If 24 September is a Saturday, what day of the week is 1 October? (a) Sunday (b) Friday (c) Monday (d) Saturday
34. 34.If 12 July is a Saturday, what day of the week is 22 July? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
35. 35.Today is Tuesday. What day of the week will it be after 42 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
36. 36.If 18 November is a Tuesday, what day of the week is 4 December? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
37. 37.If 24 March is a Thursday, what day of the week is 13 April? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
38. 38.If 20 January is a Thursday, what day of the week is 13 February? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
39. 39.If 4 July is a Saturday, what day of the week is 14 July? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
40. 40.If 13 January is a Thursday, what day of the week is 27 January? (a) Friday (b) Wednesday (c) Thursday (d) Saturday

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