Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 101 · 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 Saturday. What day of the week will it be after 87 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
2. 2.If 4 January is a Sunday, what day of the week is 19 January? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
3. 3.Today is Friday. What day of the week will it be after 94 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
4. 4.If 15 March is a Friday, what day of the week is 25 March? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
5. 5.If 3 January is a Tuesday, what day of the week is 19 January? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
6. 6.Today is Monday. What day of the week will it be after 37 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
7. 7.If 11 August is a Monday, what day of the week is 22 August? (a) Friday (b) Sunday (c) Thursday (d) Saturday
8. 8.If 9 July is a Wednesday, what day of the week is 22 July? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
9. 9.If 11 June is a Saturday, what day of the week is 18 July? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
10. 10.Today is Friday. What day of the week will it be after 49 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
11. 11.Today is Sunday. What day of the week will it be after 49 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
12. 12.Today is Wednesday. What day of the week will it be after 61 days? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
13. 13.If 14 December is a Wednesday, what day of the week is 29 December? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
14. 14.If 22 October is a Thursday, what day of the week is 3 November? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
15. 15.Today is Thursday. What day of the week will it be after 20 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
16. 16.If 10 December is a Wednesday, what day of the week is 18 December? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
17. 17.If 12 November is a Sunday, what day of the week is 7 December? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
18. 18.If 15 April is a Friday, what day of the week is 10 May? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
19. 19.If 4 July is a Monday, what day of the week is 19 July? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
20. 20.Today is Thursday. What day of the week will it be after 53 days? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
21. 21.If 1 May is a Sunday, what day of the week is 13 May? (a) Saturday (b) Sunday (c) Thursday (d) Friday
22. 22.If 4 May is a Monday, what day of the week is 17 May? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
23. 23.If 10 October is a Tuesday, what day of the week is 22 October? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
24. 24.If 28 July is a Sunday, what day of the week is 14 August? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
25. 25.If 9 March is a Tuesday, what day of the week is 18 March? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
26. 26.If 5 August is a Sunday, what day of the week is 16 August? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
27. 27.Today is Tuesday. What day of the week will it be after 34 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
28. 28.Today is Friday. What day of the week will it be after 37 days? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
29. 29.If 16 October is a Monday, what day of the week is 4 November? (a) Sunday (b) Monday (c) Saturday (d) Friday
30. 30.Today is Monday. What day of the week will it be after 77 days? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
31. 31.Today is Saturday. What day of the week will it be after 24 days? (a) Tuesday (b) Monday (c) Thursday (d) Wednesday
32. 32.If 14 October is a Tuesday, what day of the week is 15 November? (a) Sunday (b) Monday (c) Saturday (d) Friday
33. 33.Today is Wednesday. What day of the week will it be after 14 days? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
34. 34.If 18 March is a Monday, what day of the week is 5 April? (a) Friday (b) Sunday (c) Thursday (d) Saturday
35. 35.If 6 January is a Monday, what day of the week is 22 January? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
36. 36.If 28 August is a Thursday, what day of the week is 15 September? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
37. 37.If 15 June is a Tuesday, what day of the week is 10 July? (a) Monday (b) Saturday (c) Sunday (d) Friday
38. 38.Today is Friday. What day of the week will it be after 20 days? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
39. 39.If 6 January is a Tuesday, what day of the week is 21 January? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
40. 40.If 30 January is a Thursday, what day of the week is 15 February? (a) Friday (b) Sunday (c) Monday (d) Saturday

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