Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 571 · 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 13 August is a Wednesday, what day of the week is 27 August? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
2. 2.Today is Tuesday. What day of the week will it be after 86 days? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
3. 3.If 13 July is a Wednesday, what day of the week is 28 July? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
4. 4.Today is Saturday. What day of the week will it be after 54 days? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
5. 5.If 5 December is a Wednesday, what day of the week is 18 December? (a) Thursday (b) Wednesday (c) Tuesday (d) Monday
6. 6.If 24 January is a Tuesday, what day of the week is 18 February? (a) Sunday (b) Monday (c) Saturday (d) Friday
7. 7.Today is Friday. What day of the week will it be after 90 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
8. 8.If 2 August is a Tuesday, what day of the week is 12 August? (a) Thursday (b) Saturday (c) Sunday (d) Friday
9. 9.Today is Friday. What day of the week will it be after 19 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
10. 10.If 1 August is a Wednesday, what day of the week is 17 August? (a) Sunday (b) Saturday (c) Friday (d) Thursday
11. 11.If 26 September is a Thursday, what day of the week is 17 October? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
12. 12.Today is Thursday. What day of the week will it be after 28 days? (a) Saturday (b) Friday (c) Thursday (d) Wednesday
13. 13.Today is Wednesday. What day of the week will it be after 70 days? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
14. 14.If 6 December is a Saturday, what day of the week is 17 December? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
15. 15.If 11 January is a Wednesday, what day of the week is 20 January? (a) Thursday (b) Saturday (c) Sunday (d) Friday
16. 16.If 24 August is a Tuesday, what day of the week is 11 September? (a) Sunday (b) Friday (c) Saturday (d) Monday
17. 17.If 13 August is a Tuesday, what day of the week is 8 September? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
18. 18.Today is Thursday. What day of the week will it be after 100 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
19. 19.If 29 January is a Saturday, what day of the week is 10 February? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
20. 20.If 15 March is a Sunday, what day of the week is 1 April? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
21. 21.If 5 October is a Thursday, what day of the week is 17 October? (a) Monday (b) Thursday (c) Tuesday (d) Wednesday
22. 22.Today is Tuesday. What day of the week will it be after 46 days? (a) Friday (b) Saturday (c) Monday (d) Sunday
23. 23.If 17 January is a Friday, what day of the week is 20 February? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
24. 24.If 8 January is a Thursday, what day of the week is 18 January? (a) Monday (b) Saturday (c) Tuesday (d) Sunday
25. 25.Today is Tuesday. What day of the week will it be after 51 days? (a) Friday (b) Wednesday (c) Saturday (d) Thursday
26. 26.If 4 August is a Saturday, what day of the week is 17 August? (a) Sunday (b) Saturday (c) Friday (d) Thursday
27. 27.If 17 March is a Saturday, what day of the week is 18 April? (a) Tuesday (b) Wednesday (c) Thursday (d) Friday
28. 28.Today is Sunday. What day of the week will it be after 98 days? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
29. 29.If 26 July is a Tuesday, what day of the week is 12 August? (a) Thursday (b) Sunday (c) Friday (d) Saturday
30. 30.Today is Wednesday. What day of the week will it be after 21 days? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
31. 31.If 5 March is a Monday, what day of the week is 18 March? (a) Sunday (b) Tuesday (c) Saturday (d) Monday
32. 32.If 3 July is a Tuesday, what day of the week is 13 July? (a) Friday (b) Sunday (c) Saturday (d) Thursday
33. 33.Today is Thursday. What day of the week will it be after 47 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
34. 34.Today is Tuesday. What day of the week will it be after 34 days? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday
35. 35.If 2 March is a Thursday, what day of the week is 14 March? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
36. 36.If 11 July is a Saturday, what day of the week is 5 August? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
37. 37.Today is Wednesday. What day of the week will it be after 72 days? (a) Saturday (b) Sunday (c) Friday (d) Thursday
38. 38.If 3 May is a Monday, what day of the week is 18 May? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
39. 39.If 28 September is a Monday, what day of the week is 18 October? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
40. 40.Today is Tuesday. What day of the week will it be after 23 days? (a) Thursday (b) Wednesday (c) Saturday (d) Friday

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