Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 981 · 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 Wednesday. What day of the week will it be after 27 days? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
2. 2.Today is Sunday. What day of the week will it be after 28 days? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
3. 3.If 4 August is a Sunday, what day of the week is 19 August? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
4. 4.Today is Saturday. What day of the week will it be after 27 days? (a) Saturday (b) Friday (c) Thursday (d) Sunday
5. 5.Today is Sunday. What day of the week will it be after 19 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
6. 6.If 12 June is a Thursday, what day of the week is 18 July? (a) Sunday (b) Thursday (c) Friday (d) Saturday
7. 7.If 21 March is a Saturday, what day of the week is 19 April? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
8. 8.If 9 July is a Thursday, what day of the week is 23 July? (a) Wednesday (b) Friday (c) Thursday (d) Saturday
9. 9.If 7 August is a Wednesday, what day of the week is 22 August? (a) Wednesday (b) Thursday (c) Friday (d) Saturday
10. 10.Today is Thursday. What day of the week will it be after 49 days? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
11. 11.Today is Thursday. What day of the week will it be after 18 days? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
12. 12.If 11 December is a Friday, what day of the week is 20 December? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
13. 13.If 13 May is a Thursday, what day of the week is 29 May? (a) Saturday (b) Sunday (c) Friday (d) Monday
14. 14.Today is Wednesday. What day of the week will it be after 15 days? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
15. 15.If 10 July is a Tuesday, what day of the week is 22 July? (a) Sunday (b) Tuesday (c) Monday (d) Saturday
16. 16.If 8 May is a Friday, what day of the week is 24 May? (a) Sunday (b) Monday (c) Tuesday (d) Saturday
17. 17.If 3 July is a Wednesday, what day of the week is 14 July? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
18. 18.Today is Tuesday. What day of the week will it be after 74 days? (a) Monday (b) Sunday (c) Saturday (d) Friday
19. 19.Today is Thursday. What day of the week will it be after 77 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
20. 20.If 3 December is a Monday, what day of the week is 13 December? (a) Saturday (b) Thursday (c) Friday (d) Wednesday
21. 21.If 4 August is a Monday, what day of the week is 19 August? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
22. 22.If 3 August is a Thursday, what day of the week is 13 August? (a) Tuesday (b) Monday (c) Sunday (d) Saturday
23. 23.If 4 July is a Sunday, what day of the week is 20 July? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
24. 24.If 15 October is a Monday, what day of the week is 30 October? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
25. 25.Today is Thursday. What day of the week will it be after 38 days? (a) Tuesday (b) Saturday (c) Monday (d) Sunday
26. 26.If 8 December is a Tuesday, what day of the week is 22 December? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
27. 27.Today is Thursday. What day of the week will it be after 87 days? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
28. 28.Today is Saturday. What day of the week will it be after 95 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
29. 29.If 20 March is a Wednesday, what day of the week is 2 April? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
30. 30.If 13 March is a Sunday, what day of the week is 24 March? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
31. 31.If 22 March is a Monday, what day of the week is 12 April? (a) Tuesday (b) Sunday (c) Wednesday (d) Monday
32. 32.Today is Tuesday. What day of the week will it be after 71 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
33. 33.If 12 March is a Wednesday, what day of the week is 20 April? (a) Saturday (b) Sunday (c) Monday (d) Tuesday
34. 34.Today is Monday. What day of the week will it be after 14 days? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
35. 35.If 12 August is a Monday, what day of the week is 14 September? (a) Sunday (b) Monday (c) Saturday (d) Friday
36. 36.If 3 July is a Monday, what day of the week is 11 July? (a) Monday (b) Wednesday (c) Tuesday (d) Thursday
37. 37.If 6 January is a Saturday, what day of the week is 21 January? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
38. 38.If 16 October is a Tuesday, what day of the week is 9 November? (a) Thursday (b) Saturday (c) Friday (d) Sunday
39. 39.If 9 December is a Monday, what day of the week is 19 December? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
40. 40.If 24 July is a Thursday, what day of the week is 8 August? (a) Thursday (b) Sunday (c) Friday (d) Saturday

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