Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 281 · 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 Friday. What day of the week will it be after 73 days? (a) Tuesday (b) Monday (c) Wednesday (d) Sunday
2. 2.Today is Friday. What day of the week will it be after 56 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
3. 3.If 15 July is a Sunday, what day of the week is 19 August? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
4. 4.If 14 July is a Tuesday, what day of the week is 28 July? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
5. 5.If 13 January is a Thursday, what day of the week is 25 January? (a) Thursday (b) Tuesday (c) Monday (d) Wednesday
6. 6.Today is Thursday. What day of the week will it be after 14 days? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
7. 7.If 12 December is a Friday, what day of the week is 20 December? (a) Friday (b) Saturday (c) Monday (d) Sunday
8. 8.If 13 July is a Monday, what day of the week is 28 July? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
9. 9.If 23 April is a Wednesday, what day of the week is 20 May? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
10. 10.Today is Wednesday. What day of the week will it be after 68 days? (a) Monday (b) Wednesday (c) Sunday (d) Tuesday
11. 11.If 2 October is a Sunday, what day of the week is 17 October? (a) Sunday (b) Tuesday (c) Monday (d) Wednesday
12. 12.If 14 September is a Wednesday, what day of the week is 15 October? (a) Saturday (b) Monday (c) Sunday (d) Friday
13. 13.Today is Tuesday. What day of the week will it be after 10 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday
14. 14.Today is Friday. What day of the week will it be after 77 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
15. 15.Today is Saturday. What day of the week will it be after 40 days? (a) Thursday (b) Wednesday (c) Saturday (d) Friday
16. 16.If 8 December is a Tuesday, what day of the week is 21 December? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
17. 17.Today is Monday. What day of the week will it be after 20 days? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
18. 18.If 27 January is a Sunday, what day of the week is 2 February? (a) Friday (b) Saturday (c) Monday (d) Sunday
19. 19.If 27 August is a Sunday, what day of the week is 13 September? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
20. 20.If 28 September is a Tuesday, what day of the week is 13 October? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
21. 21.If 13 January is a Sunday, what day of the week is 22 January? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
22. 22.If 11 January is a Wednesday, what day of the week is 20 January? (a) Sunday (b) Saturday (c) Friday (d) Thursday
23. 23.If 28 January is a Wednesday, what day of the week is 4 February? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
24. 24.If 1 January is a Wednesday, what day of the week is 11 January? (a) Friday (b) Monday (c) Sunday (d) Saturday
25. 25.If 13 November is a Saturday, what day of the week is 13 December? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
26. 26.If 17 April is a Wednesday, what day of the week is 13 May? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
27. 27.If 18 July is a Tuesday, what day of the week is 19 August? (a) Monday (b) Friday (c) Saturday (d) Sunday
28. 28.Today is Thursday. What day of the week will it be after 74 days? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
29. 29.Today is Thursday. What day of the week will it be after 98 days? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
30. 30.Today is Saturday. What day of the week will it be after 63 days? (a) Saturday (b) Monday (c) Sunday (d) Friday
31. 31.If 18 June is a Saturday, what day of the week is 8 July? (a) Thursday (b) Saturday (c) Sunday (d) Friday
32. 32.If 14 October is a Thursday, what day of the week is 23 October? (a) Monday (b) Sunday (c) Saturday (d) Friday
33. 33.Today is Wednesday. What day of the week will it be after 89 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
34. 34.Today is Tuesday. What day of the week will it be after 30 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
35. 35.Today is Wednesday. What day of the week will it be after 30 days? (a) Sunday (b) Thursday (c) Saturday (d) Friday
36. 36.If 3 March is a Tuesday, what day of the week is 11 March? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
37. 37.If 6 January is a Monday, what day of the week is 21 January? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
38. 38.If 15 March is a Monday, what day of the week is 27 March? (a) Monday (b) Friday (c) Sunday (d) Saturday
39. 39.If 11 May is a Tuesday, what day of the week is 20 May? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
40. 40.If 5 October is a Thursday, what day of the week is 20 October? (a) Sunday (b) Friday (c) Thursday (d) Saturday

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