Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 431 · 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 Thursday. What day of the week will it be after 53 days? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
2. 2.If 11 April is a Wednesday, what day of the week is 13 May? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
3. 3.If 8 March is a Sunday, what day of the week is 16 March? (a) Wednesday (b) Monday (c) Tuesday (d) Sunday
4. 4.If 17 September is a Monday, what day of the week is 11 October? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
5. 5.If 9 May is a Saturday, what day of the week is 17 May? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
6. 6.If 10 June is a Monday, what day of the week is 10 July? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
7. 7.If 15 January is a Sunday, what day of the week is 8 February? (a) Friday (b) Thursday (c) Wednesday (d) Tuesday
8. 8.If 22 September is a Wednesday, what day of the week is 12 October? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
9. 9.If 12 July is a Sunday, what day of the week is 20 July? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
10. 10.If 10 May is a Thursday, what day of the week is 26 May? (a) Friday (b) Saturday (c) Sunday (d) Monday
11. 11.If 14 January is a Monday, what day of the week is 27 January? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
12. 12.Today is Friday. What day of the week will it be after 17 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
13. 13.If 12 October is a Friday, what day of the week is 22 October? (a) Tuesday (b) Wednesday (c) Monday (d) Sunday
14. 14.Today is Friday. What day of the week will it be after 59 days? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
15. 15.If 30 January is a Wednesday, what day of the week is 5 February? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
16. 16.If 24 July is a Monday, what day of the week is 5 August? (a) Monday (b) Sunday (c) Friday (d) Saturday
17. 17.Today is Thursday. What day of the week will it be after 61 days? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
18. 18.Today is Saturday. What day of the week will it be after 49 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
19. 19.If 5 July is a Thursday, what day of the week is 14 July? (a) Friday (b) Saturday (c) Sunday (d) Monday
20. 20.If 12 August is a Friday, what day of the week is 1 September? (a) Thursday (b) Friday (c) Wednesday (d) Saturday
21. 21.If 8 December is a Saturday, what day of the week is 17 December? (a) Tuesday (b) Wednesday (c) Sunday (d) Monday
22. 22.Today is Sunday. What day of the week will it be after 23 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
23. 23.Today is Sunday. What day of the week will it be after 15 days? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
24. 24.If 20 April is a Tuesday, what day of the week is 4 May? (a) Tuesday (b) Wednesday (c) Thursday (d) Monday
25. 25.If 7 October is a Monday, what day of the week is 20 October? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
26. 26.If 3 March is a Tuesday, what day of the week is 18 March? (a) Thursday (b) Wednesday (c) Friday (d) Tuesday
27. 27.If 4 December is a Monday, what day of the week is 17 December? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
28. 28.Today is Friday. What day of the week will it be after 71 days? (a) Monday (b) Saturday (c) Sunday (d) Friday
29. 29.If 21 October is a Sunday, what day of the week is 14 November? (a) Wednesday (b) Friday (c) Tuesday (d) Thursday
30. 30.Today is Thursday. What day of the week will it be after 69 days? (a) Friday (b) Wednesday (c) Thursday (d) Tuesday
31. 31.Today is Monday. What day of the week will it be after 23 days? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
32. 32.Today is Thursday. What day of the week will it be after 98 days? (a) Thursday (b) Friday (c) Saturday (d) Wednesday
33. 33.If 4 March is a Thursday, what day of the week is 20 March? (a) Friday (b) Monday (c) Sunday (d) Saturday
34. 34.Today is Tuesday. What day of the week will it be after 92 days? (a) Tuesday (b) Thursday (c) Friday (d) Wednesday
35. 35.If 11 May is a Monday, what day of the week is 14 June? (a) Sunday (b) Saturday (c) Tuesday (d) Monday
36. 36.If 12 October is a Thursday, what day of the week is 21 October? (a) Friday (b) Sunday (c) Monday (d) Saturday
37. 37.If 7 December is a Tuesday, what day of the week is 16 December? (a) Saturday (b) Friday (c) Wednesday (d) Thursday
38. 38.Today is Friday. What day of the week will it be after 30 days? (a) Monday (b) Saturday (c) Sunday (d) Tuesday
39. 39.Today is Saturday. What day of the week will it be after 63 days? (a) Monday (b) Friday (c) Sunday (d) Saturday
40. 40.If 21 March is a Monday, what day of the week is 18 April? (a) Sunday (b) Wednesday (c) Monday (d) Tuesday

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