Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 275 · 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 Tuesday. What day of the week will it be after 87 days? (a) Thursday (b) Saturday (c) Sunday (d) Friday
2. 2.If 3 July is a Tuesday, what day of the week is 18 July? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
3. 3.If 14 January is a Sunday, what day of the week is 6 February? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
4. 4.If 7 May is a Sunday, what day of the week is 16 May? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
5. 5.If 1 December is a Friday, what day of the week is 10 December? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
6. 6.If 4 March is a Sunday, what day of the week is 12 March? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
7. 7.If 15 July is a Wednesday, what day of the week is 13 August? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
8. 8.If 29 May is a Monday, what day of the week is 3 June? (a) Friday (b) Monday (c) Sunday (d) Saturday
9. 9.If 2 May is a Sunday, what day of the week is 12 May? (a) Tuesday (b) Wednesday (c) Friday (d) Thursday
10. 10.If 17 January is a Saturday, what day of the week is 4 February? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
11. 11.If 21 June is a Wednesday, what day of the week is 12 July? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
12. 12.Today is Tuesday. What day of the week will it be after 26 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
13. 13.If 10 March is a Sunday, what day of the week is 3 April? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
14. 14.If 16 April is a Thursday, what day of the week is 4 May? (a) Monday (b) Wednesday (c) Tuesday (d) Sunday
15. 15.If 13 January is a Wednesday, what day of the week is 24 January? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
16. 16.Today is Tuesday. What day of the week will it be after 37 days? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
17. 17.If 3 May is a Tuesday, what day of the week is 12 May? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
18. 18.If 15 October is a Friday, what day of the week is 24 October? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
19. 19.If 7 July is a Saturday, what day of the week is 21 July? (a) Monday (b) Saturday (c) Friday (d) Sunday
20. 20.Today is Tuesday. What day of the week will it be after 48 days? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
21. 21.If 12 March is a Thursday, what day of the week is 6 April? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
22. 22.If 5 January is a Saturday, what day of the week is 21 January? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
23. 23.If 10 October is a Wednesday, what day of the week is 8 November? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
24. 24.If 14 August is a Tuesday, what day of the week is 9 September? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
25. 25.If 27 June is a Wednesday, what day of the week is 14 July? (a) Friday (b) Saturday (c) Monday (d) Sunday
26. 26.If 3 October is a Friday, what day of the week is 19 October? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
27. 27.Today is Saturday. What day of the week will it be after 69 days? (a) Sunday (b) Saturday (c) Thursday (d) Friday
28. 28.Today is Sunday. What day of the week will it be after 25 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
29. 29.Today is Wednesday. What day of the week will it be after 10 days? (a) Monday (b) Sunday (c) Friday (d) Saturday
30. 30.If 3 January is a Thursday, what day of the week is 19 January? (a) Sunday (b) Monday (c) Friday (d) Saturday
31. 31.If 14 July is a Friday, what day of the week is 12 August? (a) Friday (b) Saturday (c) Monday (d) Sunday
32. 32.If 10 March is a Tuesday, what day of the week is 24 March? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
33. 33.If 10 August is a Friday, what day of the week is 19 September? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
34. 34.If 12 January is a Monday, what day of the week is 24 January? (a) Friday (b) Saturday (c) Monday (d) Sunday
35. 35.Today is Tuesday. What day of the week will it be after 63 days? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
36. 36.If 2 May is a Tuesday, what day of the week is 10 May? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
37. 37.If 10 December is a Wednesday, what day of the week is 26 December? (a) Saturday (b) Thursday (c) Friday (d) Sunday
38. 38.If 15 October is a Tuesday, what day of the week is 14 November? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
39. 39.If 17 January is a Wednesday, what day of the week is 2 February? (a) Thursday (b) Saturday (c) Friday (d) Sunday
40. 40.If 17 July is a Wednesday, what day of the week is 19 August? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday

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