Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 199 · 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 4 December is a Friday, what day of the week is 16 December? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
2. 2.If 16 May is a Friday, what day of the week is 4 June? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
3. 3.If 28 April is a Monday, what day of the week is 13 May? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
4. 4.If 6 August is a Thursday, what day of the week is 18 August? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
5. 5.If 29 August is a Sunday, what day of the week is 15 September? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
6. 6.Today is Friday. What day of the week will it be after 49 days? (a) Sunday (b) Saturday (c) Friday (d) Thursday
7. 7.If 4 August is a Saturday, what day of the week is 20 August? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
8. 8.Today is Saturday. What day of the week will it be after 65 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
9. 9.Today is Tuesday. What day of the week will it be after 74 days? (a) Friday (b) Saturday (c) Sunday (d) Monday
10. 10.If 28 November is a Saturday, what day of the week is 5 December? (a) Monday (b) Saturday (c) Friday (d) Sunday
11. 11.If 9 January is a Friday, what day of the week is 23 January? (a) Sunday (b) Friday (c) Saturday (d) Thursday
12. 12.Today is Friday. What day of the week will it be after 14 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
13. 13.If 23 September is a Thursday, what day of the week is 15 October? (a) Thursday (b) Sunday (c) Saturday (d) Friday
14. 14.If 2 December is a Monday, what day of the week is 17 December? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
15. 15.If 12 January is a Friday, what day of the week is 25 January? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
16. 16.If 12 August is a Thursday, what day of the week is 21 August? (a) Friday (b) Saturday (c) Sunday (d) Monday
17. 17.Today is Friday. What day of the week will it be after 87 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
18. 18.If 9 January is a Saturday, what day of the week is 24 January? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
19. 19.Today is Thursday. What day of the week will it be after 64 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
20. 20.If 21 January is a Monday, what day of the week is 2 February? (a) Saturday (b) Sunday (c) Monday (d) Friday
21. 21.Today is Tuesday. What day of the week will it be after 79 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
22. 22.Today is Monday. What day of the week will it be after 89 days? (a) Monday (b) Sunday (c) Friday (d) Saturday
23. 23.Today is Monday. What day of the week will it be after 80 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
24. 24.If 2 August is a Tuesday, what day of the week is 13 August? (a) Friday (b) Monday (c) Saturday (d) Sunday
25. 25.Today is Monday. What day of the week will it be after 79 days? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
26. 26.Today is Tuesday. What day of the week will it be after 29 days? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
27. 27.Today is Tuesday. What day of the week will it be after 18 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
28. 28.If 11 March is a Thursday, what day of the week is 19 March? (a) Friday (b) Saturday (c) Sunday (d) Thursday
29. 29.Today is Thursday. What day of the week will it be after 82 days? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
30. 30.If 7 December is a Thursday, what day of the week is 21 December? (a) Friday (b) Wednesday (c) Thursday (d) Saturday
31. 31.If 25 October is a Monday, what day of the week is 13 November? (a) Sunday (b) Monday (c) Saturday (d) Friday
32. 32.If 4 December is a Friday, what day of the week is 13 December? (a) Tuesday (b) Sunday (c) Saturday (d) Monday
33. 33.If 24 April is a Tuesday, what day of the week is 6 May? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
34. 34.If 3 January is a Tuesday, what day of the week is 12 January? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
35. 35.If 11 March is a Monday, what day of the week is 6 April? (a) Sunday (b) Friday (c) Saturday (d) Monday
36. 36.If 5 August is a Sunday, what day of the week is 20 August? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
37. 37.Today is Tuesday. What day of the week will it be after 17 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
38. 38.Today is Wednesday. What day of the week will it be after 15 days? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
39. 39.If 9 March is a Saturday, what day of the week is 20 March? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
40. 40.Today is Wednesday. What day of the week will it be after 58 days? (a) Thursday (b) Saturday (c) Friday (d) Sunday

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