Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 95 · 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 23 September is a Friday, what day of the week is 8 October? (a) Friday (b) Monday (c) Sunday (d) Saturday
2. 2.If 10 January is a Wednesday, what day of the week is 9 February? (a) Thursday (b) Sunday (c) Saturday (d) Friday
3. 3.Today is Saturday. What day of the week will it be after 63 days? (a) Sunday (b) Monday (c) Friday (d) Saturday
4. 4.If 24 October is a Monday, what day of the week is 19 November? (a) Friday (b) Monday (c) Saturday (d) Sunday
5. 5.If 10 October is a Wednesday, what day of the week is 20 October? (a) Sunday (b) Friday (c) Saturday (d) Monday
6. 6.Today is Saturday. What day of the week will it be after 14 days? (a) Friday (b) Monday (c) Sunday (d) Saturday
7. 7.If 18 January is a Saturday, what day of the week is 4 February? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
8. 8.Today is Monday. What day of the week will it be after 98 days? (a) Sunday (b) Monday (c) Tuesday (d) Wednesday
9. 9.If 26 October is a Wednesday, what day of the week is 18 November? (a) Saturday (b) Sunday (c) Friday (d) Thursday
10. 10.If 15 October is a Thursday, what day of the week is 30 October? (a) Friday (b) Thursday (c) Sunday (d) Saturday
11. 11.If 8 October is a Friday, what day of the week is 17 October? (a) Monday (b) Sunday (c) Saturday (d) Tuesday
12. 12.If 9 January is a Wednesday, what day of the week is 19 January? (a) Monday (b) Saturday (c) Friday (d) Sunday
13. 13.Today is Monday. What day of the week will it be after 99 days? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
14. 14.Today is Wednesday. What day of the week will it be after 50 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
15. 15.Today is Tuesday. What day of the week will it be after 56 days? (a) Monday (b) Thursday (c) Wednesday (d) Tuesday
16. 16.Today is Tuesday. What day of the week will it be after 70 days? (a) Wednesday (b) Tuesday (c) Monday (d) Thursday
17. 17.Today is Sunday. What day of the week will it be after 25 days? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
18. 18.If 26 July is a Thursday, what day of the week is 18 August? (a) Friday (b) Monday (c) Saturday (d) Sunday
19. 19.If 31 January is a Friday, what day of the week is 7 February? (a) Friday (b) Saturday (c) Sunday (d) Thursday
20. 20.Today is Wednesday. What day of the week will it be after 90 days? (a) Monday (b) Tuesday (c) Thursday (d) Wednesday
21. 21.If 6 August is a Thursday, what day of the week is 14 August? (a) Saturday (b) Sunday (c) Friday (d) Thursday
22. 22.If 6 December is a Wednesday, what day of the week is 16 December? (a) Monday (b) Saturday (c) Sunday (d) Friday
23. 23.Today is Friday. What day of the week will it be after 40 days? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
24. 24.If 3 January is a Thursday, what day of the week is 12 January? (a) Monday (b) Sunday (c) Saturday (d) Friday
25. 25.Today is Saturday. What day of the week will it be after 82 days? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
26. 26.If 13 August is a Thursday, what day of the week is 24 August? (a) Sunday (b) Wednesday (c) Tuesday (d) Monday
27. 27.If 29 April is a Sunday, what day of the week is 8 May? (a) Wednesday (b) Tuesday (c) Thursday (d) Monday
28. 28.If 10 April is a Thursday, what day of the week is 7 May? (a) Tuesday (b) Friday (c) Wednesday (d) Thursday
29. 29.If 10 March is a Sunday, what day of the week is 13 April? (a) Friday (b) Sunday (c) Saturday (d) Monday
30. 30.Today is Saturday. What day of the week will it be after 18 days? (a) Thursday (b) Wednesday (c) Tuesday (d) Friday
31. 31.If 13 January is a Tuesday, what day of the week is 4 February? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
32. 32.If 6 March is a Wednesday, what day of the week is 17 March? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
33. 33.If 14 August is a Thursday, what day of the week is 7 September? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
34. 34.If 13 March is a Wednesday, what day of the week is 24 March? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
35. 35.Today is Sunday. What day of the week will it be after 71 days? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
36. 36.If 2 August is a Wednesday, what day of the week is 14 August? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
37. 37.Today is Sunday. What day of the week will it be after 40 days? (a) Thursday (b) Saturday (c) Friday (d) Sunday
38. 38.If 1 May is a Wednesday, what day of the week is 17 May? (a) Thursday (b) Saturday (c) Friday (d) Sunday
39. 39.If 11 October is a Thursday, what day of the week is 27 October? (a) Saturday (b) Sunday (c) Monday (d) Friday
40. 40.Today is Tuesday. What day of the week will it be after 10 days? (a) Thursday (b) Friday (c) Saturday (d) Sunday

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