Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 117 · 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 49 days? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
2. 2.If 13 January is a Saturday, what day of the week is 28 January? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
3. 3.If 10 September is a Saturday, what day of the week is 16 October? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
4. 4.Today is Monday. What day of the week will it be after 45 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
5. 5.Today is Friday. What day of the week will it be after 22 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
6. 6.Today is Sunday. What day of the week will it be after 99 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
7. 7.If 13 October is a Saturday, what day of the week is 1 November? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
8. 8.If 31 March is a Thursday, what day of the week is 5 April? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
9. 9.If 1 August is a Tuesday, what day of the week is 14 August? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
10. 10.If 9 January is a Thursday, what day of the week is 18 January? (a) Friday (b) Sunday (c) Monday (d) Saturday
11. 11.If 2 August is a Wednesday, what day of the week is 10 August? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
12. 12.If 2 August is a Saturday, what day of the week is 14 August? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
13. 13.If 1 January is a Tuesday, what day of the week is 15 January? (a) Wednesday (b) Monday (c) Tuesday (d) Thursday
14. 14.If 6 January is a Tuesday, what day of the week is 17 January? (a) Saturday (b) Sunday (c) Friday (d) Monday
15. 15.If 9 December is a Wednesday, what day of the week is 18 December? (a) Thursday (b) Sunday (c) Saturday (d) Friday
16. 16.If 28 July is a Monday, what day of the week is 6 August? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
17. 17.If 10 April is a Monday, what day of the week is 20 May? (a) Friday (b) Sunday (c) Monday (d) Saturday
18. 18.Today is Friday. What day of the week will it be after 11 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
19. 19.Today is Tuesday. What day of the week will it be after 62 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
20. 20.Today is Tuesday. What day of the week will it be after 86 days? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
21. 21.If 3 October is a Monday, what day of the week is 19 October? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
22. 22.If 13 July is a Monday, what day of the week is 21 July? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
23. 23.Today is Tuesday. What day of the week will it be after 35 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
24. 24.Today is Thursday. What day of the week will it be after 76 days? (a) Wednesday (b) Tuesday (c) Friday (d) Thursday
25. 25.If 7 May is a Saturday, what day of the week is 20 May? (a) Saturday (b) Sunday (c) Friday (d) Thursday
26. 26.If 2 May is a Wednesday, what day of the week is 16 May? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
27. 27.If 23 March is a Tuesday, what day of the week is 3 April? (a) Sunday (b) Friday (c) Monday (d) Saturday
28. 28.If 10 April is a Monday, what day of the week is 19 May? (a) Sunday (b) Saturday (c) Friday (d) Thursday
29. 29.If 8 January is a Tuesday, what day of the week is 19 January? (a) Saturday (b) Sunday (c) Monday (d) Friday
30. 30.Today is Thursday. What day of the week will it be after 27 days? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
31. 31.If 8 August is a Saturday, what day of the week is 16 August? (a) Saturday (b) Tuesday (c) Monday (d) Sunday
32. 32.If 13 September is a Wednesday, what day of the week is 8 October? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
33. 33.If 10 May is a Saturday, what day of the week is 5 June? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
34. 34.If 5 January is a Thursday, what day of the week is 14 January? (a) Friday (b) Saturday (c) Monday (d) Sunday
35. 35.Today is Sunday. What day of the week will it be after 75 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
36. 36.If 8 January is a Saturday, what day of the week is 23 January? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
37. 37.Today is Monday. What day of the week will it be after 24 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
38. 38.If 9 May is a Tuesday, what day of the week is 20 May? (a) Sunday (b) Saturday (c) Friday (d) Monday
39. 39.If 23 May is a Thursday, what day of the week is 8 June? (a) Saturday (b) Monday (c) Sunday (d) Friday
40. 40.If 4 March is a Tuesday, what day of the week is 12 March? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday

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