Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 715 · 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 Monday. What day of the week will it be after 13 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
2. 2.If 12 May is a Tuesday, what day of the week is 27 May? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
3. 3.Today is Monday. What day of the week will it be after 18 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
4. 4.If 20 September is a Tuesday, what day of the week is 15 October? (a) Monday (b) Saturday (c) Friday (d) Sunday
5. 5.Today is Friday. What day of the week will it be after 98 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
6. 6.If 4 July is a Wednesday, what day of the week is 15 July? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
7. 7.If 23 August is a Wednesday, what day of the week is 16 September? (a) Friday (b) Sunday (c) Monday (d) Saturday
8. 8.Today is Friday. What day of the week will it be after 56 days? (a) Thursday (b) Saturday (c) Friday (d) Sunday
9. 9.If 14 July is a Wednesday, what day of the week is 28 July? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
10. 10.Today is Wednesday. What day of the week will it be after 78 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
11. 11.If 24 March is a Wednesday, what day of the week is 18 April? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
12. 12.Today is Wednesday. What day of the week will it be after 62 days? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
13. 13.If 7 July is a Friday, what day of the week is 22 July? (a) Saturday (b) Friday (c) Monday (d) Sunday
14. 14.Today is Tuesday. What day of the week will it be after 21 days? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
15. 15.If 9 December is a Saturday, what day of the week is 22 December? (a) Saturday (b) Sunday (c) Friday (d) Thursday
16. 16.Today is Tuesday. What day of the week will it be after 40 days? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
17. 17.Today is Tuesday. What day of the week will it be after 87 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
18. 18.Today is Monday. What day of the week will it be after 100 days? (a) Friday (b) Thursday (c) Tuesday (d) Wednesday
19. 19.If 4 October is a Friday, what day of the week is 17 October? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
20. 20.If 2 December is a Sunday, what day of the week is 18 December? (a) Tuesday (b) Thursday (c) Monday (d) Wednesday
21. 21.If 21 June is a Sunday, what day of the week is 17 July? (a) Saturday (b) Thursday (c) Friday (d) Sunday
22. 22.Today is Friday. What day of the week will it be after 35 days? (a) Saturday (b) Thursday (c) Friday (d) Sunday
23. 23.If 10 August is a Friday, what day of the week is 20 August? (a) Monday (b) Sunday (c) Tuesday (d) Wednesday
24. 24.Today is Friday. What day of the week will it be after 34 days? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
25. 25.Today is Thursday. What day of the week will it be after 20 days? (a) Thursday (b) Friday (c) Tuesday (d) Wednesday
26. 26.If 13 July is a Friday, what day of the week is 23 July? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
27. 27.If 8 May is a Sunday, what day of the week is 21 May? (a) Friday (b) Sunday (c) Saturday (d) Monday
28. 28.If 20 June is a Tuesday, what day of the week is 13 July? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
29. 29.If 4 July is a Tuesday, what day of the week is 19 July? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
30. 30.If 19 March is a Friday, what day of the week is 13 April? (a) Thursday (b) Monday (c) Wednesday (d) Tuesday
31. 31.If 1 August is a Thursday, what day of the week is 10 August? (a) Sunday (b) Monday (c) Saturday (d) Friday
32. 32.Today is Tuesday. What day of the week will it be after 90 days? (a) Wednesday (b) Tuesday (c) Monday (d) Sunday
33. 33.If 9 December is a Sunday, what day of the week is 22 December? (a) Friday (b) Sunday (c) Monday (d) Saturday
34. 34.If 13 August is a Tuesday, what day of the week is 22 August? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
35. 35.Today is Tuesday. What day of the week will it be after 85 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
36. 36.If 8 January is a Thursday, what day of the week is 18 January? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
37. 37.If 13 November is a Thursday, what day of the week is 18 December? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
38. 38.If 5 July is a Saturday, what day of the week is 13 July? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
39. 39.If 10 March is a Friday, what day of the week is 25 March? (a) Friday (b) Monday (c) Sunday (d) Saturday
40. 40.If 10 August is a Tuesday, what day of the week is 7 September? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday

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