Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 993 · 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 13 March is a Sunday, what day of the week is 21 March? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
2. 2.If 6 July is a Tuesday, what day of the week is 19 July? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
3. 3.If 19 July is a Monday, what day of the week is 13 August? (a) Saturday (b) Friday (c) Sunday (d) Thursday
4. 4.Today is Friday. What day of the week will it be after 67 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
5. 5.If 11 January is a Thursday, what day of the week is 14 February? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
6. 6.If 9 July is a Saturday, what day of the week is 17 July? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
7. 7.If 31 May is a Saturday, what day of the week is 19 June? (a) Thursday (b) Saturday (c) Wednesday (d) Friday
8. 8.If 8 March is a Saturday, what day of the week is 18 March? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
9. 9.If 1 August is a Thursday, what day of the week is 14 August? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
10. 10.If 11 May is a Monday, what day of the week is 23 May? (a) Friday (b) Saturday (c) Monday (d) Sunday
11. 11.If 26 April is a Wednesday, what day of the week is 6 May? (a) Saturday (b) Friday (c) Monday (d) Sunday
12. 12.If 9 March is a Thursday, what day of the week is 20 March? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
13. 13.Today is Sunday. What day of the week will it be after 11 days? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
14. 14.If 6 December is a Sunday, what day of the week is 19 December? (a) Monday (b) Sunday (c) Saturday (d) Friday
15. 15.If 19 November is a Friday, what day of the week is 6 December? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
16. 16.If 9 July is a Monday, what day of the week is 19 July? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
17. 17.If 5 August is a Thursday, what day of the week is 21 August? (a) Monday (b) Saturday (c) Friday (d) Sunday
18. 18.If 30 January is a Thursday, what day of the week is 14 February? (a) Saturday (b) Sunday (c) Friday (d) Thursday
19. 19.If 2 March is a Monday, what day of the week is 13 March? (a) Friday (b) Sunday (c) Thursday (d) Saturday
20. 20.If 4 January is a Wednesday, what day of the week is 13 January? (a) Friday (b) Thursday (c) Saturday (d) Sunday
21. 21.If 1 March is a Friday, what day of the week is 15 March? (a) Saturday (b) Thursday (c) Sunday (d) Friday
22. 22.Today is Monday. What day of the week will it be after 61 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
23. 23.Today is Tuesday. What day of the week will it be after 100 days? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
24. 24.If 14 July is a Sunday, what day of the week is 26 July? (a) Friday (b) Sunday (c) Thursday (d) Saturday
25. 25.If 14 January is a Saturday, what day of the week is 29 January? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
26. 26.If 10 May is a Tuesday, what day of the week is 22 May? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
27. 27.If 15 March is a Monday, what day of the week is 26 March? (a) Saturday (b) Thursday (c) Friday (d) Sunday
28. 28.Today is Monday. What day of the week will it be after 38 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
29. 29.Today is Saturday. What day of the week will it be after 78 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
30. 30.If 13 March is a Thursday, what day of the week is 22 March? (a) Saturday (b) Monday (c) Sunday (d) Friday
31. 31.Today is Monday. What day of the week will it be after 10 days? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
32. 32.Today is Wednesday. What day of the week will it be after 83 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
33. 33.Today is Friday. What day of the week will it be after 15 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
34. 34.If 14 August is a Tuesday, what day of the week is 20 September? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
35. 35.If 13 January is a Wednesday, what day of the week is 15 February? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
36. 36.If 25 March is a Tuesday, what day of the week is 8 April? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
37. 37.Today is Sunday. What day of the week will it be after 78 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
38. 38.If 10 October is a Saturday, what day of the week is 26 October? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
39. 39.Today is Sunday. What day of the week will it be after 61 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
40. 40.If 2 July is a Friday, what day of the week is 17 July? (a) Friday (b) Sunday (c) Monday (d) Saturday

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