Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 776 · 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.Today is Thursday. What day of the week will it be after 80 days? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
2. 2.If 2 December is a Sunday, what day of the week is 11 December? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
3. 3.If 12 July is a Monday, what day of the week is 25 July? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
4. 4.Today is Saturday. What day of the week will it be after 81 days? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
5. 5.Today is Sunday. What day of the week will it be after 18 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
6. 6.If 9 August is a Thursday, what day of the week is 20 August? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
7. 7.If 12 January is a Tuesday, what day of the week is 13 February? (a) Friday (b) Saturday (c) Monday (d) Sunday
8. 8.If 9 October is a Monday, what day of the week is 20 October? (a) Friday (b) Saturday (c) Sunday (d) Thursday
9. 9.If 10 October is a Monday, what day of the week is 18 October? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
10. 10.If 30 April is a Tuesday, what day of the week is 12 May? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
11. 11.If 11 March is a Tuesday, what day of the week is 6 April? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
12. 12.If 31 March is a Friday, what day of the week is 17 April? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
13. 13.Today is Tuesday. What day of the week will it be after 24 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
14. 14.Today is Friday. What day of the week will it be after 79 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
15. 15.If 20 November is a Thursday, what day of the week is 9 December? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
16. 16.If 7 May is a Wednesday, what day of the week is 23 May? (a) Friday (b) Saturday (c) Sunday (d) Thursday
17. 17.If 26 April is a Sunday, what day of the week is 18 May? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
18. 18.If 15 May is a Wednesday, what day of the week is 25 May? (a) Saturday (b) Monday (c) Sunday (d) Friday
19. 19.Today is Wednesday. What day of the week will it be after 44 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
20. 20.If 3 March is a Saturday, what day of the week is 11 March? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
21. 21.Today is Thursday. What day of the week will it be after 20 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
22. 22.If 8 January is a Tuesday, what day of the week is 22 January? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
23. 23.Today is Friday. What day of the week will it be after 59 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
24. 24.Today is Wednesday. What day of the week will it be after 53 days? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
25. 25.If 7 March is a Tuesday, what day of the week is 21 March? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
26. 26.If 17 January is a Sunday, what day of the week is 1 February? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
27. 27.If 12 March is a Tuesday, what day of the week is 11 April? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
28. 28.Today is Thursday. What day of the week will it be after 58 days? (a) Monday (b) Sunday (c) Saturday (d) Friday
29. 29.Today is Wednesday. What day of the week will it be after 76 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
30. 30.If 5 May is a Wednesday, what day of the week is 15 May? (a) Friday (b) Monday (c) Sunday (d) Saturday
31. 31.If 5 January is a Sunday, what day of the week is 21 January? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
32. 32.Today is Wednesday. What day of the week will it be after 62 days? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
33. 33.If 18 November is a Friday, what day of the week is 11 December? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
34. 34.If 19 June is a Monday, what day of the week is 11 July? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
35. 35.If 30 June is a Wednesday, what day of the week is 1 July? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
36. 36.If 14 August is a Thursday, what day of the week is 23 August? (a) Monday (b) Friday (c) Saturday (d) Sunday
37. 37.Today is Sunday. What day of the week will it be after 34 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
38. 38.If 4 May is a Tuesday, what day of the week is 16 May? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
39. 39.If 11 April is a Tuesday, what day of the week is 9 May? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
40. 40.If 6 December is a Thursday, what day of the week is 15 December? (a) Sunday (b) Saturday (c) Monday (d) Friday

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