Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 335 · 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 12 March is a Monday, what day of the week is 28 March? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
2. 2.If 11 October is a Friday, what day of the week is 18 November? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
3. 3.If 12 March is a Thursday, what day of the week is 11 April? (a) Sunday (b) Friday (c) Monday (d) Saturday
4. 4.If 9 July is a Sunday, what day of the week is 18 July? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
5. 5.Today is Friday. What day of the week will it be after 97 days? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
6. 6.If 15 May is a Saturday, what day of the week is 3 June? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
7. 7.If 23 March is a Tuesday, what day of the week is 11 April? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
8. 8.If 6 July is a Tuesday, what day of the week is 14 July? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
9. 9.Today is Sunday. What day of the week will it be after 54 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
10. 10.If 12 January is a Tuesday, what day of the week is 20 January? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
11. 11.Today is Friday. What day of the week will it be after 17 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
12. 12.Today is Sunday. What day of the week will it be after 41 days? (a) Friday (b) Monday (c) Saturday (d) Sunday
13. 13.Today is Monday. What day of the week will it be after 69 days? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
14. 14.If 31 March is a Monday, what day of the week is 20 April? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
15. 15.Today is Sunday. What day of the week will it be after 35 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
16. 16.If 3 May is a Thursday, what day of the week is 19 May? (a) Friday (b) Monday (c) Sunday (d) Saturday
17. 17.Today is Monday. What day of the week will it be after 39 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
18. 18.Today is Tuesday. What day of the week will it be after 75 days? (a) Saturday (b) Sunday (c) Tuesday (d) Monday
19. 19.If 7 October is a Saturday, what day of the week is 21 October? (a) Monday (b) Sunday (c) Friday (d) Saturday
20. 20.If 18 April is a Monday, what day of the week is 5 May? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
21. 21.If 26 August is a Sunday, what day of the week is 4 September? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
22. 22.Today is Monday. What day of the week will it be after 56 days? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
23. 23.Today is Sunday. What day of the week will it be after 61 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
24. 24.If 14 January is a Tuesday, what day of the week is 25 January? (a) Monday (b) Friday (c) Saturday (d) Sunday
25. 25.If 20 August is a Monday, what day of the week is 15 September? (a) Monday (b) Saturday (c) Sunday (d) Friday
26. 26.If 26 January is a Wednesday, what day of the week is 8 February? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
27. 27.If 5 August is a Wednesday, what day of the week is 14 August? (a) Thursday (b) Sunday (c) Saturday (d) Friday
28. 28.If 21 November is a Saturday, what day of the week is 9 December? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
29. 29.Today is Tuesday. What day of the week will it be after 64 days? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
30. 30.If 10 January is a Wednesday, what day of the week is 3 February? (a) Sunday (b) Monday (c) Saturday (d) Friday
31. 31.If 18 October is a Monday, what day of the week is 12 November? (a) Sunday (b) Saturday (c) Thursday (d) Friday
32. 32.If 8 March is a Tuesday, what day of the week is 20 March? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
33. 33.If 20 April is a Wednesday, what day of the week is 11 May? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
34. 34.Today is Friday. What day of the week will it be after 21 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
35. 35.If 30 September is a Saturday, what day of the week is 12 October? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
36. 36.Today is Sunday. What day of the week will it be after 64 days? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
37. 37.Today is Saturday. What day of the week will it be after 88 days? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
38. 38.If 12 August is a Sunday, what day of the week is 23 August? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
39. 39.If 29 September is a Saturday, what day of the week is 19 October? (a) Friday (b) Thursday (c) Saturday (d) Sunday
40. 40.If 11 May is a Monday, what day of the week is 20 May? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday

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