Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 784 · 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 14 December is a Saturday, what day of the week is 22 December? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
2. 2.If 5 May is a Tuesday, what day of the week is 14 May? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
3. 3.If 15 January is a Friday, what day of the week is 19 February? (a) Thursday (b) Saturday (c) Sunday (d) Friday
4. 4.If 8 May is a Wednesday, what day of the week is 16 May? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
5. 5.If 11 March is a Tuesday, what day of the week is 4 April? (a) Thursday (b) Sunday (c) Friday (d) Saturday
6. 6.If 15 October is a Sunday, what day of the week is 28 October? (a) Friday (b) Saturday (c) Monday (d) Sunday
7. 7.If 30 April is a Tuesday, what day of the week is 5 May? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
8. 8.If 9 October is a Thursday, what day of the week is 20 October? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
9. 9.If 11 January is a Tuesday, what day of the week is 21 January? (a) Saturday (b) Friday (c) Thursday (d) Sunday
10. 10.If 26 November is a Thursday, what day of the week is 6 December? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
11. 11.If 3 March is a Thursday, what day of the week is 11 March? (a) Thursday (b) Saturday (c) Sunday (d) Friday
12. 12.Today is Thursday. What day of the week will it be after 81 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
13. 13.If 4 August is a Tuesday, what day of the week is 16 August? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
14. 14.If 28 July is a Friday, what day of the week is 5 August? (a) Monday (b) Friday (c) Sunday (d) Saturday
15. 15.If 22 June is a Tuesday, what day of the week is 15 July? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
16. 16.If 18 November is a Monday, what day of the week is 1 December? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
17. 17.Today is Friday. What day of the week will it be after 17 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
18. 18.If 1 March is a Wednesday, what day of the week is 16 March? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
19. 19.If 7 August is a Saturday, what day of the week is 15 August? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
20. 20.If 12 May is a Wednesday, what day of the week is 16 June? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
21. 21.Today is Monday. What day of the week will it be after 78 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
22. 22.If 20 July is a Tuesday, what day of the week is 5 August? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
23. 23.If 9 December is a Monday, what day of the week is 23 December? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
24. 24.If 5 May is a Monday, what day of the week is 13 May? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
25. 25.If 12 May is a Thursday, what day of the week is 20 May? (a) Sunday (b) Friday (c) Saturday (d) Thursday
26. 26.If 15 September is a Thursday, what day of the week is 11 October? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
27. 27.If 26 August is a Friday, what day of the week is 7 September? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
28. 28.Today is Friday. What day of the week will it be after 75 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
29. 29.If 4 October is a Monday, what day of the week is 16 October? (a) Saturday (b) Sunday (c) Friday (d) Monday
30. 30.If 5 January is a Friday, what day of the week is 21 January? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
31. 31.If 18 August is a Saturday, what day of the week is 1 September? (a) Monday (b) Saturday (c) Friday (d) Sunday
32. 32.Today is Tuesday. What day of the week will it be after 13 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
33. 33.If 6 December is a Friday, what day of the week is 22 December? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
34. 34.If 6 March is a Tuesday, what day of the week is 21 March? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
35. 35.If 5 December is a Friday, what day of the week is 17 December? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
36. 36.If 8 October is a Sunday, what day of the week is 20 October? (a) Thursday (b) Friday (c) Saturday (d) Sunday
37. 37.Today is Saturday. What day of the week will it be after 84 days? (a) Sunday (b) Friday (c) Monday (d) Saturday
38. 38.If 10 April is a Thursday, what day of the week is 7 May? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
39. 39.If 7 March is a Thursday, what day of the week is 16 March? (a) Saturday (b) Sunday (c) Friday (d) Monday
40. 40.Today is Saturday. What day of the week will it be after 87 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday

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