Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 643 · 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 15 March is a Sunday, what day of the week is 31 March? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
2. 2.If 1 July is a Monday, what day of the week is 12 July? (a) Thursday (b) Sunday (c) Saturday (d) Friday
3. 3.If 15 October is a Monday, what day of the week is 9 November? (a) Saturday (b) Sunday (c) Thursday (d) Friday
4. 4.If 19 March is a Tuesday, what day of the week is 20 April? (a) Sunday (b) Monday (c) Friday (d) Saturday
5. 5.If 7 March is a Thursday, what day of the week is 20 March? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
6. 6.Today is Thursday. What day of the week will it be after 48 days? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
7. 7.If 12 December is a Sunday, what day of the week is 20 December? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
8. 8.If 20 November is a Saturday, what day of the week is 9 December? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
9. 9.If 16 April is a Friday, what day of the week is 10 May? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
10. 10.If 10 July is a Friday, what day of the week is 19 July? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
11. 11.If 5 December is a Wednesday, what day of the week is 20 December? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
12. 12.If 24 March is a Saturday, what day of the week is 6 April? (a) Saturday (b) Friday (c) Thursday (d) Sunday
13. 13.If 6 August is a Monday, what day of the week is 19 August? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
14. 14.Today is Friday. What day of the week will it be after 83 days? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
15. 15.If 12 March is a Thursday, what day of the week is 28 March? (a) Sunday (b) Friday (c) Monday (d) Saturday
16. 16.Today is Monday. What day of the week will it be after 47 days? (a) Friday (b) Saturday (c) Sunday (d) Monday
17. 17.If 3 July is a Saturday, what day of the week is 18 July? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
18. 18.If 17 July is a Monday, what day of the week is 14 August? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
19. 19.If 5 October is a Saturday, what day of the week is 19 October? (a) Friday (b) Sunday (c) Monday (d) Saturday
20. 20.Today is Tuesday. What day of the week will it be after 34 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
21. 21.If 9 May is a Friday, what day of the week is 20 May? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
22. 22.If 30 July is a Friday, what day of the week is 19 August? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
23. 23.If 9 July is a Friday, what day of the week is 20 July? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
24. 24.If 29 October is a Saturday, what day of the week is 3 November? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
25. 25.If 22 August is a Tuesday, what day of the week is 13 September? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
26. 26.If 11 November is a Saturday, what day of the week is 9 December? (a) Monday (b) Saturday (c) Sunday (d) Friday
27. 27.If 15 April is a Tuesday, what day of the week is 6 May? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
28. 28.Today is Friday. What day of the week will it be after 84 days? (a) Thursday (b) Saturday (c) Friday (d) Sunday
29. 29.Today is Saturday. What day of the week will it be after 92 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
30. 30.If 14 March is a Tuesday, what day of the week is 17 April? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
31. 31.Today is Thursday. What day of the week will it be after 52 days? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
32. 32.If 9 August is a Monday, what day of the week is 25 August? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
33. 33.If 27 July is a Sunday, what day of the week is 18 August? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
34. 34.If 30 July is a Tuesday, what day of the week is 9 August? (a) Saturday (b) Friday (c) Thursday (d) Sunday
35. 35.If 24 March is a Saturday, what day of the week is 5 April? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
36. 36.Today is Saturday. What day of the week will it be after 18 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
37. 37.If 10 October is a Wednesday, what day of the week is 25 October? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
38. 38.If 3 January is a Sunday, what day of the week is 13 January? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
39. 39.If 27 January is a Wednesday, what day of the week is 19 February? (a) Saturday (b) Friday (c) Thursday (d) Sunday
40. 40.If 6 March is a Sunday, what day of the week is 14 March? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday

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