Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 89 · 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 Sunday. What day of the week will it be after 42 days? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
2. 2.Today is Thursday. What day of the week will it be after 32 days? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
3. 3.Today is Monday. What day of the week will it be after 99 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
4. 4.If 18 January is a Sunday, what day of the week is 15 February? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
5. 5.If 12 March is a Saturday, what day of the week is 20 March? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
6. 6.If 21 August is a Tuesday, what day of the week is 20 September? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
7. 7.If 22 March is a Monday, what day of the week is 16 April? (a) Thursday (b) Sunday (c) Friday (d) Saturday
8. 8.If 6 December is a Sunday, what day of the week is 17 December? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
9. 9.If 27 August is a Sunday, what day of the week is 6 September? (a) Wednesday (b) Tuesday (c) Thursday (d) Friday
10. 10.If 7 March is a Tuesday, what day of the week is 19 March? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
11. 11.If 10 December is a Wednesday, what day of the week is 19 December? (a) Sunday (b) Thursday (c) Friday (d) Saturday
12. 12.If 11 October is a Friday, what day of the week is 2 November? (a) Saturday (b) Friday (c) Sunday (d) Monday
13. 13.If 14 August is a Monday, what day of the week is 25 August? (a) Saturday (b) Thursday (c) Friday (d) Sunday
14. 14.Today is Saturday. What day of the week will it be after 80 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
15. 15.If 7 May is a Monday, what day of the week is 17 May? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
16. 16.Today is Tuesday. What day of the week will it be after 96 days? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
17. 17.If 15 May is a Wednesday, what day of the week is 24 May? (a) Saturday (b) Friday (c) Thursday (d) Sunday
18. 18.If 13 November is a Tuesday, what day of the week is 1 December? (a) Monday (b) Friday (c) Saturday (d) Sunday
19. 19.If 18 May is a Thursday, what day of the week is 11 June? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
20. 20.Today is Tuesday. What day of the week will it be after 90 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
21. 21.If 21 January is a Friday, what day of the week is 1 February? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
22. 22.If 31 January is a Monday, what day of the week is 8 February? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
23. 23.If 11 July is a Tuesday, what day of the week is 6 August? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
24. 24.If 14 May is a Monday, what day of the week is 26 May? (a) Friday (b) Sunday (c) Monday (d) Saturday
25. 25.If 14 July is a Thursday, what day of the week is 29 July? (a) Friday (b) Thursday (c) Sunday (d) Saturday
26. 26.Today is Thursday. What day of the week will it be after 74 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
27. 27.If 5 August is a Saturday, what day of the week is 19 August? (a) Sunday (b) Friday (c) Monday (d) Saturday
28. 28.If 9 October is a Tuesday, what day of the week is 18 October? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
29. 29.If 12 May is a Tuesday, what day of the week is 21 May? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
30. 30.If 24 July is a Saturday, what day of the week is 18 August? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
31. 31.If 7 July is a Wednesday, what day of the week is 17 July? (a) Sunday (b) Saturday (c) Friday (d) Monday
32. 32.Today is Thursday. What day of the week will it be after 77 days? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
33. 33.If 24 May is a Saturday, what day of the week is 13 June? (a) Thursday (b) Friday (c) Saturday (d) Sunday
34. 34.If 8 January is a Monday, what day of the week is 21 January? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
35. 35.Today is Tuesday. What day of the week will it be after 65 days? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
36. 36.Today is Friday. What day of the week will it be after 74 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
37. 37.If 1 August is a Monday, what day of the week is 10 August? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
38. 38.Today is Friday. What day of the week will it be after 56 days? (a) Sunday (b) Thursday (c) Friday (d) Saturday
39. 39.Today is Wednesday. What day of the week will it be after 58 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday
40. 40.If 3 October is a Sunday, what day of the week is 18 October? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday

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