Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 675 · 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 3 July is a Saturday, what day of the week is 13 July? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
2. 2.If 12 May is a Saturday, what day of the week is 25 May? (a) Thursday (b) Saturday (c) Sunday (d) Friday
3. 3.If 30 January is a Thursday, what day of the week is 4 February? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
4. 4.If 12 March is a Saturday, what day of the week is 11 April? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
5. 5.Today is Thursday. What day of the week will it be after 18 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
6. 6.Today is Monday. What day of the week will it be after 93 days? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
7. 7.If 12 March is a Monday, what day of the week is 25 March? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
8. 8.Today is Friday. What day of the week will it be after 20 days? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
9. 9.If 15 March is a Wednesday, what day of the week is 12 April? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
10. 10.If 7 August is a Saturday, what day of the week is 19 August? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
11. 11.If 13 August is a Saturday, what day of the week is 19 September? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
12. 12.If 15 August is a Thursday, what day of the week is 25 August? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
13. 13.Today is Monday. What day of the week will it be after 95 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
14. 14.If 31 January is a Friday, what day of the week is 12 February? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
15. 15.If 5 July is a Thursday, what day of the week is 20 July? (a) Thursday (b) Saturday (c) Sunday (d) Friday
16. 16.If 16 April is a Saturday, what day of the week is 19 May? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
17. 17.If 26 January is a Monday, what day of the week is 17 February? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
18. 18.If 12 May is a Sunday, what day of the week is 23 May? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
19. 19.If 21 June is a Saturday, what day of the week is 20 July? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
20. 20.If 14 January is a Tuesday, what day of the week is 25 January? (a) Sunday (b) Friday (c) Saturday (d) Monday
21. 21.If 13 March is a Wednesday, what day of the week is 28 March? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
22. 22.Today is Thursday. What day of the week will it be after 85 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
23. 23.If 5 January is a Friday, what day of the week is 14 January? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
24. 24.If 10 January is a Monday, what day of the week is 19 January? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
25. 25.Today is Friday. What day of the week will it be after 27 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
26. 26.Today is Sunday. What day of the week will it be after 12 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
27. 27.If 27 May is a Sunday, what day of the week is 10 June? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
28. 28.If 9 March is a Monday, what day of the week is 24 March? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
29. 29.If 15 January is a Saturday, what day of the week is 29 January? (a) Sunday (b) Saturday (c) Monday (d) Friday
30. 30.If 15 May is a Thursday, what day of the week is 29 May? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
31. 31.Today is Friday. What day of the week will it be after 66 days? (a) Wednesday (b) Monday (c) Sunday (d) Tuesday
32. 32.If 9 July is a Friday, what day of the week is 20 July? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
33. 33.Today is Friday. What day of the week will it be after 49 days? (a) Sunday (b) Friday (c) Thursday (d) Saturday
34. 34.Today is Tuesday. What day of the week will it be after 24 days? (a) Friday (b) Sunday (c) Thursday (d) Saturday
35. 35.If 3 October is a Monday, what day of the week is 11 October? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
36. 36.If 15 March is a Friday, what day of the week is 27 March? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
37. 37.If 1 January is a Monday, what day of the week is 9 January? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
38. 38.If 19 November is a Monday, what day of the week is 12 December? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
39. 39.If 20 August is a Thursday, what day of the week is 12 September? (a) Saturday (b) Sunday (c) Friday (d) Monday
40. 40.If 14 October is a Thursday, what day of the week is 28 October? (a) Wednesday (b) Thursday (c) Saturday (d) Friday

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