Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 721 · 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 October is a Tuesday, what day of the week is 23 October? (a) Wednesday (b) Tuesday (c) Sunday (d) Monday
2. 2.If 3 July is a Sunday, what day of the week is 15 July? (a) Sunday (b) Friday (c) Saturday (d) Thursday
3. 3.If 15 January is a Wednesday, what day of the week is 15 February? (a) Monday (b) Friday (c) Sunday (d) Saturday
4. 4.Today is Thursday. What day of the week will it be after 36 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
5. 5.If 15 July is a Wednesday, what day of the week is 27 July? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
6. 6.Today is Sunday. What day of the week will it be after 69 days? (a) Monday (b) Friday (c) Saturday (d) Sunday
7. 7.If 5 December is a Tuesday, what day of the week is 14 December? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
8. 8.Today is Sunday. What day of the week will it be after 58 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
9. 9.If 6 October is a Saturday, what day of the week is 21 October? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
10. 10.If 25 January is a Friday, what day of the week is 10 February? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
11. 11.If 28 June is a Wednesday, what day of the week is 14 July? (a) Saturday (b) Thursday (c) Sunday (d) Friday
12. 12.If 13 April is a Tuesday, what day of the week is 3 May? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
13. 13.Today is Friday. What day of the week will it be after 73 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
14. 14.If 27 November is a Sunday, what day of the week is 10 December? (a) Monday (b) Friday (c) Saturday (d) Sunday
15. 15.If 2 January is a Sunday, what day of the week is 11 January? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
16. 16.If 10 July is a Wednesday, what day of the week is 19 July? (a) Friday (b) Thursday (c) Saturday (d) Sunday
17. 17.If 6 December is a Thursday, what day of the week is 15 December? (a) Friday (b) Saturday (c) Monday (d) Sunday
18. 18.If 19 April is a Saturday, what day of the week is 9 May? (a) Saturday (b) Friday (c) Thursday (d) Sunday
19. 19.If 2 August is a Wednesday, what day of the week is 17 August? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
20. 20.If 28 July is a Thursday, what day of the week is 7 August? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
21. 21.If 11 April is a Thursday, what day of the week is 10 May? (a) Saturday (b) Sunday (c) Thursday (d) Friday
22. 22.Today is Tuesday. What day of the week will it be after 95 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
23. 23.If 13 November is a Monday, what day of the week is 13 December? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
24. 24.If 3 August is a Saturday, what day of the week is 17 August? (a) Friday (b) Monday (c) Sunday (d) Saturday
25. 25.If 5 October is a Sunday, what day of the week is 18 October? (a) Sunday (b) Monday (c) Friday (d) Saturday
26. 26.If 7 August is a Wednesday, what day of the week is 18 August? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
27. 27.If 8 July is a Saturday, what day of the week is 21 July? (a) Saturday (b) Sunday (c) Friday (d) Thursday
28. 28.If 3 August is a Sunday, what day of the week is 13 August? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
29. 29.If 11 October is a Thursday, what day of the week is 19 October? (a) Saturday (b) Friday (c) Sunday (d) Thursday
30. 30.If 3 March is a Monday, what day of the week is 12 March? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
31. 31.If 8 August is a Friday, what day of the week is 19 August? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
32. 32.If 3 January is a Wednesday, what day of the week is 15 January? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
33. 33.If 4 March is a Saturday, what day of the week is 17 March? (a) Thursday (b) Friday (c) Saturday (d) Sunday
34. 34.If 21 September is a Tuesday, what day of the week is 10 October? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
35. 35.If 6 January is a Thursday, what day of the week is 16 January? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
36. 36.Today is Saturday. What day of the week will it be after 85 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
37. 37.If 16 May is a Wednesday, what day of the week is 13 June? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
38. 38.Today is Thursday. What day of the week will it be after 13 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
39. 39.If 27 October is a Monday, what day of the week is 6 November? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
40. 40.If 5 August is a Tuesday, what day of the week is 16 August? (a) Sunday (b) Saturday (c) Friday (d) Monday

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