Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 576 · 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 Friday. What day of the week will it be after 33 days? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
2. 2.If 1 January is a Sunday, what day of the week is 9 January? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
3. 3.Today is Thursday. What day of the week will it be after 36 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
4. 4.If 10 December is a Tuesday, what day of the week is 21 December? (a) Saturday (b) Monday (c) Friday (d) Sunday
5. 5.If 5 August is a Friday, what day of the week is 21 August? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
6. 6.If 10 January is a Sunday, what day of the week is 5 February? (a) Sunday (b) Thursday (c) Friday (d) Saturday
7. 7.Today is Friday. What day of the week will it be after 35 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
8. 8.If 11 July is a Monday, what day of the week is 21 July? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
9. 9.Today is Tuesday. What day of the week will it be after 79 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
10. 10.If 4 July is a Tuesday, what day of the week is 16 July? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
11. 11.If 9 January is a Wednesday, what day of the week is 20 January? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
12. 12.If 13 October is a Wednesday, what day of the week is 23 October? (a) Sunday (b) Monday (c) Saturday (d) Friday
13. 13.Today is Wednesday. What day of the week will it be after 97 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
14. 14.If 30 January is a Sunday, what day of the week is 1 February? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
15. 15.If 14 October is a Friday, what day of the week is 1 November? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
16. 16.Today is Friday. What day of the week will it be after 46 days? (a) Tuesday (b) Monday (c) Wednesday (d) Thursday
17. 17.If 29 November is a Thursday, what day of the week is 7 December? (a) Saturday (b) Sunday (c) Friday (d) Thursday
18. 18.If 21 April is a Tuesday, what day of the week is 3 May? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
19. 19.If 9 October is a Monday, what day of the week is 19 October? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
20. 20.If 10 March is a Saturday, what day of the week is 8 April? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
21. 21.If 6 October is a Monday, what day of the week is 18 October? (a) Sunday (b) Monday (c) Saturday (d) Friday
22. 22.If 30 July is a Tuesday, what day of the week is 6 August? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
23. 23.If 23 September is a Wednesday, what day of the week is 6 October? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
24. 24.If 15 July is a Sunday, what day of the week is 23 July? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
25. 25.Today is Friday. What day of the week will it be after 15 days? (a) Saturday (b) Sunday (c) Friday (d) Monday
26. 26.If 17 July is a Wednesday, what day of the week is 11 August? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
27. 27.If 4 January is a Tuesday, what day of the week is 15 January? (a) Sunday (b) Monday (c) Saturday (d) Friday
28. 28.Today is Monday. What day of the week will it be after 43 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
29. 29.If 15 June is a Tuesday, what day of the week is 18 July? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
30. 30.If 12 May is a Saturday, what day of the week is 23 May? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
31. 31.If 19 October is a Tuesday, what day of the week is 3 November? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
32. 32.If 11 May is a Saturday, what day of the week is 21 May? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
33. 33.If 3 August is a Monday, what day of the week is 13 August? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
34. 34.If 13 December is a Saturday, what day of the week is 23 December? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
35. 35.If 3 December is a Sunday, what day of the week is 17 December? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
36. 36.If 10 July is a Wednesday, what day of the week is 21 July? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
37. 37.If 24 September is a Monday, what day of the week is 5 October? (a) Thursday (b) Friday (c) Sunday (d) Saturday
38. 38.If 4 July is a Friday, what day of the week is 13 July? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
39. 39.Today is Monday. What day of the week will it be after 72 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
40. 40.Today is Friday. What day of the week will it be after 76 days? (a) Saturday (b) Friday (c) Wednesday (d) Thursday

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