Calendar Worksheet for Maths Olympiad

Maths Olympiad topic 12: Calendar puzzles · Set 350 · 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 10 May is a Monday, what day of the week is 26 May? (a) Friday (b) Wednesday (c) Tuesday (d) Thursday
2. 2.Today is Tuesday. What day of the week will it be after 33 days? (a) Saturday (b) Tuesday (c) Sunday (d) Monday
3. 3.Today is Thursday. What day of the week will it be after 29 days? (a) Friday (b) Saturday (c) Sunday (d) Thursday
4. 4.If 1 January is a Thursday, what day of the week is 9 January? (a) Saturday (b) Thursday (c) Sunday (d) Friday
5. 5.If 21 May is a Friday, what day of the week is 6 June? (a) Tuesday (b) Sunday (c) Monday (d) Saturday
6. 6.Today is Saturday. What day of the week will it be after 67 days? (a) Wednesday (b) Friday (c) Thursday (d) Tuesday
7. 7.If 3 May is a Wednesday, what day of the week is 11 May? (a) Saturday (b) Wednesday (c) Thursday (d) Friday
8. 8.If 10 August is a Tuesday, what day of the week is 26 August? (a) Wednesday (b) Saturday (c) Thursday (d) Friday
9. 9.If 1 August is a Wednesday, what day of the week is 12 August? (a) Tuesday (b) Monday (c) Saturday (d) Sunday
10. 10.If 16 July is a Friday, what day of the week is 10 August? (a) Monday (b) Tuesday (c) Wednesday (d) Thursday
11. 11.If 4 August is a Friday, what day of the week is 19 August? (a) Saturday (b) Friday (c) Sunday (d) Monday
12. 12.Today is Saturday. What day of the week will it be after 97 days? (a) Thursday (b) Sunday (c) Saturday (d) Friday
13. 13.Today is Thursday. What day of the week will it be after 92 days? (a) Saturday (b) Thursday (c) Sunday (d) Friday
14. 14.If 31 July is a Thursday, what day of the week is 20 August? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
15. 15.If 1 August is a Monday, what day of the week is 10 August? (a) Thursday (b) Friday (c) Wednesday (d) Tuesday
16. 16.If 4 August is a Tuesday, what day of the week is 20 August? (a) Friday (b) Thursday (c) Wednesday (d) Saturday
17. 17.Today is Thursday. What day of the week will it be after 38 days? (a) Saturday (b) Monday (c) Tuesday (d) Sunday
18. 18.Today is Thursday. What day of the week will it be after 59 days? (a) Tuesday (b) Saturday (c) Sunday (d) Monday
19. 19.Today is Friday. What day of the week will it be after 40 days? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
20. 20.If 11 July is a Wednesday, what day of the week is 20 July? (a) Saturday (b) Friday (c) Thursday (d) Sunday
21. 21.If 3 July is a Saturday, what day of the week is 19 July? (a) Sunday (b) Tuesday (c) Wednesday (d) Monday
22. 22.If 12 March is a Saturday, what day of the week is 25 March? (a) Saturday (b) Sunday (c) Thursday (d) Friday
23. 23.If 13 March is a Thursday, what day of the week is 25 March? (a) Wednesday (b) Monday (c) Thursday (d) Tuesday
24. 24.Today is Wednesday. What day of the week will it be after 19 days? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
25. 25.If 11 May is a Tuesday, what day of the week is 20 May? (a) Friday (b) Thursday (c) Saturday (d) Wednesday
26. 26.If 28 January is a Saturday, what day of the week is 19 February? (a) Monday (b) Tuesday (c) Saturday (d) Sunday
27. 27.If 15 May is a Friday, what day of the week is 24 May? (a) Saturday (b) Monday (c) Sunday (d) Tuesday
28. 28.Today is Sunday. What day of the week will it be after 13 days? (a) Sunday (b) Friday (c) Saturday (d) Monday
29. 29.If 26 July is a Thursday, what day of the week is 19 August? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
30. 30.Today is Wednesday. What day of the week will it be after 64 days? (a) Friday (b) Saturday (c) Thursday (d) Wednesday
31. 31.If 13 August is a Friday, what day of the week is 23 August? (a) Monday (b) Tuesday (c) Wednesday (d) Sunday
32. 32.Today is Friday. What day of the week will it be after 64 days? (a) Saturday (b) Monday (c) Friday (d) Sunday
33. 33.If 12 August is a Thursday, what day of the week is 18 September? (a) Friday (b) Sunday (c) Saturday (d) Monday
34. 34.If 17 March is a Saturday, what day of the week is 7 April? (a) Sunday (b) Friday (c) Saturday (d) Monday
35. 35.If 10 October is a Sunday, what day of the week is 20 October? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
36. 36.If 1 January is a Monday, what day of the week is 14 January? (a) Sunday (b) Saturday (c) Monday (d) Tuesday
37. 37.If 7 December is a Monday, what day of the week is 16 December? (a) Friday (b) Tuesday (c) Thursday (d) Wednesday
38. 38.If 13 January is a Friday, what day of the week is 10 February? (a) Friday (b) Thursday (c) Sunday (d) Saturday
39. 39.If 7 July is a Sunday, what day of the week is 16 July? (a) Wednesday (b) Thursday (c) Monday (d) Tuesday
40. 40.Today is Tuesday. What day of the week will it be after 70 days? (a) Thursday (b) Monday (c) Tuesday (d) Wednesday

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