Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 669 · 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 18 April is a Thursday, what day of the week is 20 May? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
2. 2.If 12 July is a Monday, what day of the week is 28 July? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
3. 3.Today is Friday. What day of the week will it be after 77 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
4. 4.Today is Sunday. What day of the week will it be after 19 days? (a) Sunday (b) Friday (c) Saturday (d) Thursday
5. 5.If 16 January is a Friday, what day of the week is 1 February? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
6. 6.If 9 March is a Wednesday, what day of the week is 20 March? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
7. 7.If 12 July is a Monday, what day of the week is 4 August? (a) Friday (b) Tuesday (c) Wednesday (d) Thursday
8. 8.Today is Monday. What day of the week will it be after 88 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
9. 9.Today is Thursday. What day of the week will it be after 77 days? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
10. 10.If 4 August is a Wednesday, what day of the week is 20 August? (a) Saturday (b) Thursday (c) Sunday (d) Friday
11. 11.Today is Thursday. What day of the week will it be after 51 days? (a) Monday (b) Sunday (c) Saturday (d) Friday
12. 12.If 13 March is a Tuesday, what day of the week is 14 April? (a) Sunday (b) Monday (c) Friday (d) Saturday
13. 13.If 7 January is a Sunday, what day of the week is 16 January? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
14. 14.If 25 April is a Monday, what day of the week is 10 May? (a) Thursday (b) Wednesday (c) Monday (d) Tuesday
15. 15.If 14 May is a Wednesday, what day of the week is 28 May? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
16. 16.If 29 August is a Friday, what day of the week is 8 September? (a) Monday (b) Sunday (c) Wednesday (d) Tuesday
17. 17.If 6 May is a Friday, what day of the week is 22 May? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
18. 18.Today is Sunday. What day of the week will it be after 81 days? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
19. 19.Today is Tuesday. What day of the week will it be after 98 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
20. 20.Today is Thursday. What day of the week will it be after 28 days? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
21. 21.Today is Tuesday. What day of the week will it be after 52 days? (a) Saturday (b) Friday (c) Sunday (d) Thursday
22. 22.If 3 May is a Tuesday, what day of the week is 14 May? (a) Friday (b) Monday (c) Sunday (d) Saturday
23. 23.Today is Friday. What day of the week will it be after 31 days? (a) Wednesday (b) Sunday (c) Tuesday (d) Monday
24. 24.Today is Friday. What day of the week will it be after 100 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
25. 25.If 7 October is a Tuesday, what day of the week is 23 October? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
26. 26.If 27 May is a Tuesday, what day of the week is 19 June? (a) Saturday (b) Thursday (c) Wednesday (d) Friday
27. 27.If 10 July is a Monday, what day of the week is 1 August? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
28. 28.If 5 August is a Saturday, what day of the week is 17 August? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
29. 29.Today is Thursday. What day of the week will it be after 26 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
30. 30.If 13 August is a Saturday, what day of the week is 27 August? (a) Monday (b) Sunday (c) Saturday (d) Friday
31. 31.If 15 October is a Monday, what day of the week is 25 October? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
32. 32.If 15 December is a Monday, what day of the week is 28 December? (a) Monday (b) Sunday (c) Tuesday (d) Saturday
33. 33.If 11 May is a Wednesday, what day of the week is 22 May? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
34. 34.Today is Wednesday. What day of the week will it be after 23 days? (a) Saturday (b) Sunday (c) Thursday (d) Friday
35. 35.If 15 July is a Monday, what day of the week is 27 July? (a) Sunday (b) Saturday (c) Friday (d) Monday
36. 36.If 24 April is a Sunday, what day of the week is 4 May? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
37. 37.Today is Saturday. What day of the week will it be after 19 days? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
38. 38.If 12 December is a Saturday, what day of the week is 25 December? (a) Thursday (b) Friday (c) Sunday (d) Saturday
39. 39.If 12 December is a Sunday, what day of the week is 27 December? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
40. 40.If 30 October is a Sunday, what day of the week is 3 November? (a) Thursday (b) Friday (c) Wednesday (d) Saturday

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