Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 616 · 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 71 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
2. 2.Today is Saturday. What day of the week will it be after 31 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
3. 3.If 11 April is a Sunday, what day of the week is 18 May? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
4. 4.Today is Monday. What day of the week will it be after 45 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
5. 5.Today is Wednesday. What day of the week will it be after 26 days? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
6. 6.If 25 May is a Tuesday, what day of the week is 14 June? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
7. 7.Today is Tuesday. What day of the week will it be after 82 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
8. 8.If 3 January is a Sunday, what day of the week is 16 January? (a) Sunday (b) Monday (c) Saturday (d) Friday
9. 9.Today is Tuesday. What day of the week will it be after 76 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
10. 10.Today is Saturday. What day of the week will it be after 25 days? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
11. 11.If 5 January is a Tuesday, what day of the week is 20 January? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
12. 12.If 23 September is a Wednesday, what day of the week is 11 October? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
13. 13.Today is Tuesday. What day of the week will it be after 50 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
14. 14.Today is Sunday. What day of the week will it be after 16 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
15. 15.If 10 May is a Saturday, what day of the week is 19 May? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
16. 16.Today is Tuesday. What day of the week will it be after 23 days? (a) Thursday (b) Saturday (c) Friday (d) Wednesday
17. 17.If 3 January is a Thursday, what day of the week is 19 January? (a) Saturday (b) Sunday (c) Friday (d) Monday
18. 18.If 27 March is a Wednesday, what day of the week is 8 April? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
19. 19.If 10 December is a Wednesday, what day of the week is 25 December? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
20. 20.Today is Wednesday. What day of the week will it be after 31 days? (a) Sunday (b) Monday (c) Saturday (d) Friday
21. 21.If 10 October is a Saturday, what day of the week is 16 November? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
22. 22.Today is Monday. What day of the week will it be after 13 days? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
23. 23.Today is Friday. What day of the week will it be after 64 days? (a) Friday (b) Sunday (c) Saturday (d) Monday
24. 24.If 4 January is a Wednesday, what day of the week is 12 January? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
25. 25.If 20 October is a Tuesday, what day of the week is 3 November? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
26. 26.Today is Monday. What day of the week will it be after 12 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
27. 27.If 1 March is a Sunday, what day of the week is 17 March? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
28. 28.If 12 September is a Friday, what day of the week is 3 October? (a) Thursday (b) Saturday (c) Friday (d) Sunday
29. 29.Today is Tuesday. What day of the week will it be after 79 days? (a) Wednesday (b) Friday (c) Saturday (d) Thursday
30. 30.If 17 August is a Thursday, what day of the week is 8 September? (a) Friday (b) Saturday (c) Sunday (d) Thursday
31. 31.If 30 May is a Saturday, what day of the week is 3 June? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
32. 32.Today is Tuesday. What day of the week will it be after 69 days? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
33. 33.If 30 June is a Saturday, what day of the week is 18 July? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
34. 34.If 29 March is a Thursday, what day of the week is 15 April? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
35. 35.If 2 October is a Thursday, what day of the week is 11 October? (a) Friday (b) Monday (c) Saturday (d) Sunday
36. 36.Today is Wednesday. What day of the week will it be after 58 days? (a) Saturday (b) Friday (c) Sunday (d) Thursday
37. 37.If 10 August is a Wednesday, what day of the week is 25 August? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
38. 38.If 10 May is a Tuesday, what day of the week is 24 May? (a) Wednesday (b) Thursday (c) Tuesday (d) Monday
39. 39.If 7 December is a Thursday, what day of the week is 21 December? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
40. 40.If 18 January is a Thursday, what day of the week is 10 February? (a) Friday (b) Monday (c) Sunday (d) Saturday

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