Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 1 · 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 14 July is a Tuesday, what day of the week is 10 August? (a) Sunday (b) Monday (c) Wednesday (d) Tuesday
2. 2.If 3 May is a Sunday, what day of the week is 15 May? (a) Friday (b) Sunday (c) Thursday (d) Saturday
3. 3.Today is Saturday. What day of the week will it be after 20 days? (a) Friday (b) Thursday (c) Saturday (d) Sunday
4. 4.If 12 April is a Friday, what day of the week is 16 May? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
5. 5.Today is Friday. What day of the week will it be after 78 days? (a) Sunday (b) Saturday (c) Monday (d) Friday
6. 6.Today is Tuesday. What day of the week will it be after 79 days? (a) Friday (b) Saturday (c) Wednesday (d) Thursday
7. 7.If 2 May is a Tuesday, what day of the week is 10 May? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
8. 8.Today is Friday. What day of the week will it be after 10 days? (a) Wednesday (b) Sunday (c) Monday (d) Tuesday
9. 9.If 4 May is a Thursday, what day of the week is 16 May? (a) Tuesday (b) Wednesday (c) Monday (d) Thursday
10. 10.If 11 January is a Wednesday, what day of the week is 15 February? (a) Thursday (b) Tuesday (c) Friday (d) Wednesday
11. 11.If 7 January is a Saturday, what day of the week is 21 January? (a) Friday (b) Sunday (c) Saturday (d) Monday
12. 12.If 3 August is a Saturday, what day of the week is 15 August? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
13. 13.If 1 January is a Wednesday, what day of the week is 14 January? (a) Monday (b) Wednesday (c) Thursday (d) Tuesday
14. 14.If 14 December is a Saturday, what day of the week is 28 December? (a) Monday (b) Friday (c) Sunday (d) Saturday
15. 15.If 27 October is a Tuesday, what day of the week is 19 November? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
16. 16.If 9 July is a Saturday, what day of the week is 20 July? (a) Wednesday (b) Thursday (c) Tuesday (d) Friday
17. 17.Today is Monday. What day of the week will it be after 92 days? (a) Thursday (b) Tuesday (c) Wednesday (d) Monday
18. 18.If 1 October is a Friday, what day of the week is 17 October? (a) Sunday (b) Monday (c) Saturday (d) Tuesday
19. 19.If 8 January is a Monday, what day of the week is 17 January? (a) Thursday (b) Tuesday (c) Wednesday (d) Friday
20. 20.If 3 March is a Friday, what day of the week is 15 March? (a) Wednesday (b) Thursday (c) Friday (d) Tuesday
21. 21.If 6 July is a Tuesday, what day of the week is 17 July? (a) Saturday (b) Sunday (c) Friday (d) Monday
22. 22.If 7 July is a Friday, what day of the week is 20 July? (a) Wednesday (b) Thursday (c) Saturday (d) Friday
23. 23.If 16 April is a Sunday, what day of the week is 16 May? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
24. 24.If 26 August is a Friday, what day of the week is 17 September? (a) Friday (b) Saturday (c) Monday (d) Sunday
25. 25.If 1 January is a Saturday, what day of the week is 15 January? (a) Monday (b) Saturday (c) Friday (d) Sunday
26. 26.If 6 July is a Wednesday, what day of the week is 14 July? (a) Wednesday (b) Saturday (c) Friday (d) Thursday
27. 27.Today is Friday. What day of the week will it be after 77 days? (a) Thursday (b) Friday (c) Sunday (d) Saturday
28. 28.Today is Thursday. What day of the week will it be after 61 days? (a) Tuesday (b) Thursday (c) Wednesday (d) Monday
29. 29.If 9 December is a Tuesday, what day of the week is 22 December? (a) Tuesday (b) Monday (c) Sunday (d) Wednesday
30. 30.Today is Sunday. What day of the week will it be after 54 days? (a) Friday (b) Saturday (c) Thursday (d) Sunday
31. 31.If 14 April is a Monday, what day of the week is 19 May? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
32. 32.If 4 December is a Thursday, what day of the week is 18 December? (a) Thursday (b) Wednesday (c) Friday (d) Saturday
33. 33.If 15 January is a Monday, what day of the week is 27 January? (a) Monday (b) Sunday (c) Friday (d) Saturday
34. 34.If 12 May is a Saturday, what day of the week is 22 May? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday
35. 35.If 20 November is a Sunday, what day of the week is 8 December? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
36. 36.If 18 January is a Tuesday, what day of the week is 4 February? (a) Friday (b) Thursday (c) Sunday (d) Saturday
37. 37.If 7 August is a Monday, what day of the week is 16 August? (a) Tuesday (b) Friday (c) Thursday (d) Wednesday
38. 38.If 15 January is a Friday, what day of the week is 23 January? (a) Friday (b) Monday (c) Sunday (d) Saturday
39. 39.Today is Thursday. What day of the week will it be after 64 days? (a) Thursday (b) Sunday (c) Friday (d) Saturday
40. 40.If 31 August is a Tuesday, what day of the week is 16 September? (a) Wednesday (b) Thursday (c) Friday (d) Saturday

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