challenge

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Across
  1. 8. the SI prefix for x1000000000
  2. 9. what Tibetans know Everest as
  3. 11. author of diary of a wimpy kid
  4. 12. makes the strongest magnets when combined with iron and boron
  5. 13. the murderous maths book about shapes
  6. 14. the character that dies in chapter 11 of lord of the flies
  7. 15. the school you would be in if you were year 10
  8. 16. the first female President of the US
  9. 18. the school you would be in if you were year 4
  10. 20. mac's rival
  11. 21. is this a good crossword
  12. 23. the direction the leaf on the apple logo goes
  13. 24. the SI prefix for x1000000000000000
  14. 26. the first female PM of the UK
  15. 29. best ball a batting team can have in cricket (hint: its better than a six)
  16. 30. what citizens of Nepal know Everest as
  17. 31. the fifth perfect number
  18. 36. this element is magnetic at room temperature but not ferromagnetic
  19. 37. the number of events in Paris 2024 Olympic swimming
  20. 38. the furthest run in 1hr (male)
  21. 42. the furthest run in 1hr (female)
  22. 43. the relative mass of an electron
  23. 44. the first triperfect number
  24. 46. the author of murderous maths
  25. 48. a blue ferromagnetic element
Down
  1. 1. best ball a bowling team can have in cricket
  2. 2. one of the egg laying mammals
  3. 3. a show where the contestants shop
  4. 4. a show with counters worth money
  5. 5. sport played by sachin tendulkar
  6. 6. a show where there is a leader and their staff
  7. 7. a show with letters and numbers rounds
  8. 10. the first female Vice President of the US
  9. 17. the murderous maths book about algebra
  10. 19. the second book of diary of a wimpy kid
  11. 22. what year 12/year 13 is known as
  12. 23. the side of the apple logo where there is a bite mark
  13. 25. what you have to do in the GCSE literature exam
  14. 27. the SI prefix for x1000000000000
  15. 28. the third triperfect number
  16. 32. the second k-perfect number where k=4
  17. 33. the second triperfect number
  18. 34. the second female PM of the UK
  19. 35. the character that dies in chapter 9 of lord of the flies
  20. 39. the first k-perfect number where k=4
  21. 40. the relative mass of 496 neutrons
  22. 41. the third female PM of the UK
  23. 45. the number of laps of a standard track needed to do a 10000m
  24. 47. one of the egg laying mammals
  25. 49. macD's rival