Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 138 · 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 October is a Saturday, what day of the week is 23 October? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
2. 2.If 5 July is a Sunday, what day of the week is 13 July? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
3. 3.Today is Thursday. What day of the week will it be after 34 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
4. 4.If 16 September is a Wednesday, what day of the week is 10 October? (a) Friday (b) Monday (c) Sunday (d) Saturday
5. 5.Today is Tuesday. What day of the week will it be after 59 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
6. 6.If 30 September is a Tuesday, what day of the week is 9 October? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
7. 7.Today is Monday. What day of the week will it be after 97 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
8. 8.If 12 March is a Wednesday, what day of the week is 18 April? (a) Thursday (b) Saturday (c) Sunday (d) Friday
9. 9.If 12 December is a Monday, what day of the week is 26 December? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
10. 10.Today is Friday. What day of the week will it be after 70 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
11. 11.If 11 August is a Saturday, what day of the week is 22 August? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
12. 12.Today is Sunday. What day of the week will it be after 92 days? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
13. 13.If 29 July is a Saturday, what day of the week is 1 August? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
14. 14.If 12 June is a Sunday, what day of the week is 3 July? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
15. 15.Today is Saturday. What day of the week will it be after 45 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
16. 16.If 15 May is a Monday, what day of the week is 3 June? (a) Friday (b) Monday (c) Saturday (d) Sunday
17. 17.If 8 August is a Saturday, what day of the week is 21 August? (a) Saturday (b) Friday (c) Thursday (d) Sunday
18. 18.If 1 May is a Thursday, what day of the week is 10 May? (a) Monday (b) Sunday (c) Friday (d) Saturday
19. 19.Today is Monday. What day of the week will it be after 76 days? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
20. 20.If 10 January is a Sunday, what day of the week is 23 January? (a) Friday (b) Monday (c) Sunday (d) Saturday
21. 21.Today is Tuesday. What day of the week will it be after 45 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
22. 22.If 18 July is a Friday, what day of the week is 11 August? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
23. 23.If 7 August is a Sunday, what day of the week is 22 August? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
24. 24.If 2 December is a Friday, what day of the week is 18 December? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
25. 25.If 2 October is a Tuesday, what day of the week is 12 October? (a) Saturday (b) Sunday (c) Thursday (d) Friday
26. 26.If 11 July is a Saturday, what day of the week is 1 August? (a) Friday (b) Saturday (c) Monday (d) Sunday
27. 27.If 30 November is a Tuesday, what day of the week is 20 December? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
28. 28.If 29 January is a Monday, what day of the week is 3 February? (a) Saturday (b) Sunday (c) Monday (d) Friday
29. 29.If 19 July is a Tuesday, what day of the week is 9 August? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
30. 30.If 20 October is a Monday, what day of the week is 19 November? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
31. 31.Today is Tuesday. What day of the week will it be after 30 days? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
32. 32.Today is Tuesday. What day of the week will it be after 74 days? (a) Sunday (b) Saturday (c) Friday (d) Monday
33. 33.If 22 October is a Monday, what day of the week is 11 November? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
34. 34.Today is Tuesday. What day of the week will it be after 91 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
35. 35.If 9 August is a Friday, what day of the week is 25 August? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
36. 36.If 4 January is a Friday, what day of the week is 14 January? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
37. 37.If 11 March is a Sunday, what day of the week is 19 March? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
38. 38.Today is Wednesday. What day of the week will it be after 90 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
39. 39.If 8 March is a Thursday, what day of the week is 22 March? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
40. 40.Today is Wednesday. What day of the week will it be after 33 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday

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