Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 116 · 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 69 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
2. 2.Today is Thursday. What day of the week will it be after 89 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
3. 3.Today is Saturday. What day of the week will it be after 17 days? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
4. 4.If 13 September is a Monday, what day of the week is 3 October? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
5. 5.If 4 January is a Monday, what day of the week is 19 January? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
6. 6.If 15 January is a Saturday, what day of the week is 1 February? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
7. 7.If 26 August is a Tuesday, what day of the week is 13 September? (a) Sunday (b) Friday (c) Monday (d) Saturday
8. 8.If 4 May is a Sunday, what day of the week is 19 May? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
9. 9.Today is Saturday. What day of the week will it be after 82 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
10. 10.If 13 December is a Tuesday, what day of the week is 28 December? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
11. 11.Today is Wednesday. What day of the week will it be after 91 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
12. 12.If 18 July is a Friday, what day of the week is 7 August? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
13. 13.If 9 August is a Saturday, what day of the week is 23 August? (a) Sunday (b) Monday (c) Friday (d) Saturday
14. 14.Today is Monday. What day of the week will it be after 74 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
15. 15.If 31 May is a Thursday, what day of the week is 3 June? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
16. 16.If 9 May is a Saturday, what day of the week is 17 May? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
17. 17.If 16 July is a Friday, what day of the week is 6 August? (a) Friday (b) Sunday (c) Saturday (d) Thursday
18. 18.Today is Wednesday. What day of the week will it be after 31 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
19. 19.If 10 August is a Monday, what day of the week is 24 August? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
20. 20.If 13 September is a Wednesday, what day of the week is 11 October? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
21. 21.If 18 May is a Friday, what day of the week is 13 June? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
22. 22.If 27 April is a Sunday, what day of the week is 1 May? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
23. 23.Today is Friday. What day of the week will it be after 10 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
24. 24.Today is Saturday. What day of the week will it be after 20 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
25. 25.If 13 August is a Thursday, what day of the week is 26 August? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
26. 26.Today is Wednesday. What day of the week will it be after 13 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
27. 27.If 3 August is a Wednesday, what day of the week is 15 August? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
28. 28.If 15 March is a Friday, what day of the week is 14 April? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
29. 29.Today is Tuesday. What day of the week will it be after 43 days? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
30. 30.If 13 September is a Wednesday, what day of the week is 13 October? (a) Saturday (b) Friday (c) Thursday (d) Sunday
31. 31.Today is Thursday. What day of the week will it be after 95 days? (a) Tuesday (b) Sunday (c) Monday (d) Wednesday
32. 32.Today is Thursday. What day of the week will it be after 57 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
33. 33.If 30 July is a Saturday, what day of the week is 15 August? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
34. 34.If 14 May is a Monday, what day of the week is 23 May? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
35. 35.If 11 July is a Thursday, what day of the week is 27 July? (a) Sunday (b) Friday (c) Monday (d) Saturday
36. 36.If 11 October is a Thursday, what day of the week is 21 October? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
37. 37.If 29 September is a Thursday, what day of the week is 18 October? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
38. 38.If 21 August is a Friday, what day of the week is 1 September? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
39. 39.Today is Monday. What day of the week will it be after 48 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
40. 40.If 14 July is a Saturday, what day of the week is 10 August? (a) Sunday (b) Saturday (c) Thursday (d) Friday

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