Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 221 · 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 20 April is a Saturday, what day of the week is 15 May? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
2. 2.If 1 March is a Tuesday, what day of the week is 13 March? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
3. 3.If 11 March is a Wednesday, what day of the week is 17 April? (a) Friday (b) Sunday (c) Saturday (d) Thursday
4. 4.Today is Sunday. What day of the week will it be after 64 days? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
5. 5.Today is Saturday. What day of the week will it be after 97 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
6. 6.Today is Friday. What day of the week will it be after 14 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
7. 7.If 12 December is a Monday, what day of the week is 21 December? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
8. 8.If 4 May is a Wednesday, what day of the week is 13 May? (a) Thursday (b) Friday (c) Sunday (d) Saturday
9. 9.Today is Saturday. What day of the week will it be after 28 days? (a) Friday (b) Sunday (c) Monday (d) Saturday
10. 10.If 30 January is a Wednesday, what day of the week is 12 February? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
11. 11.If 10 December is a Sunday, what day of the week is 22 December? (a) Thursday (b) Sunday (c) Saturday (d) Friday
12. 12.If 4 March is a Saturday, what day of the week is 18 March? (a) Sunday (b) Friday (c) Monday (d) Saturday
13. 13.If 1 May is a Tuesday, what day of the week is 11 May? (a) Friday (b) Thursday (c) Saturday (d) Sunday
14. 14.If 12 May is a Wednesday, what day of the week is 4 June? (a) Sunday (b) Friday (c) Saturday (d) Thursday
15. 15.If 11 May is a Monday, what day of the week is 25 May? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
16. 16.If 10 March is a Tuesday, what day of the week is 20 March? (a) Sunday (b) Friday (c) Thursday (d) Saturday
17. 17.If 22 October is a Tuesday, what day of the week is 7 November? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
18. 18.If 30 August is a Sunday, what day of the week is 13 September? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
19. 19.If 4 January is a Monday, what day of the week is 12 January? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
20. 20.If 8 March is a Monday, what day of the week is 18 March? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
21. 21.If 18 July is a Sunday, what day of the week is 19 August? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
22. 22.If 18 October is a Tuesday, what day of the week is 1 November? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
23. 23.Today is Thursday. What day of the week will it be after 48 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
24. 24.If 11 March is a Saturday, what day of the week is 14 April? (a) Thursday (b) Friday (c) Saturday (d) Sunday
25. 25.If 16 July is a Tuesday, what day of the week is 15 August? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
26. 26.Today is Friday. What day of the week will it be after 84 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
27. 27.If 29 November is a Tuesday, what day of the week is 4 December? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
28. 28.If 10 November is a Wednesday, what day of the week is 1 December? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
29. 29.Today is Wednesday. What day of the week will it be after 36 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
30. 30.Today is Thursday. What day of the week will it be after 91 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
31. 31.If 26 July is a Wednesday, what day of the week is 16 August? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
32. 32.Today is Sunday. What day of the week will it be after 10 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Friday
33. 33.If 26 May is a Tuesday, what day of the week is 3 June? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
34. 34.If 2 January is a Thursday, what day of the week is 18 January? (a) Sunday (b) Friday (c) Saturday (d) Monday
35. 35.If 14 April is a Wednesday, what day of the week is 9 May? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
36. 36.If 31 January is a Wednesday, what day of the week is 7 February? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
37. 37.If 4 August is a Sunday, what day of the week is 14 August? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
38. 38.If 10 May is a Wednesday, what day of the week is 24 May? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
39. 39.If 12 December is a Friday, what day of the week is 28 December? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
40. 40.If 11 March is a Friday, what day of the week is 21 March? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday

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