Crossnumber

12345678910111213141516171819202122
Across
  1. 2. Smallest non-zero multiple of 2, 4, 7, 8 which is a square
  2. 5. HCF of (number of seconds in a day/10) and (the next palindromic year)
  3. 7. (answer to the size of the smallest angle in an isosceles right-angled triangle)^2-1
  4. 9. Number of digits in 32^4*20^2*25^11
  5. 10. the next palindromic year (palindromic means number reads same way forwards and backwards)
  6. 12. LCM of (Greatest power of 6 which is a factor of 55!) and (smallest positive integer with 7 factors)
  7. 14. number of seconds in a day divided by (number of corners of a cube + an even prime number question)
  8. 15. In the quadrilateral ABCD, ∠ABC = 90°, ∠BAD = 70° and AB = BD = BC. What is the size of ∠BDC in degrees?
  9. 17. Find x when (x+7)/5=(x-3)/3
  10. 18. Find the value of x+y when 2x+y=20 and x+2y=25
  11. 19. remainder when 7^2024 is divided by 9 + answer to above
  12. 20. ANSWER TO ABOVE×8×125
  13. 21. Greatest power of 6 which is a factor of 55!
  14. 22. smallest positive integer with 7 factors
Down
  1. 1. √324
  2. 2. Value of x when ((ANSWER TO ABOVE)x)/3+7=10
  3. 3. On four tests, each marked out of 100, my average was 85. What is the lowest mark I could have scored on any one test?
  4. 4. Smallest 5 digit cube
  5. 6. 107×93
  6. 8. The size of the smallest angle in a isosceles right-angled triange
  7. 10. The value of 2.017 × 2016 - 10.16 x 201.7
  8. 11. ANSWER TO ABOVE + sum of the first three digits of π
  9. 13. Find the sum of all possible sizes of the other, differently-sized angle when one of the angles in an isosceles triange is ANSWER TO ABOVE°
  10. 16. 5×7×11×13
  11. 18. The number of corners of a cube + An even prime number
  12. 19. The value of ((67+67)×67)/67
  13. 20. The sum of the prime factors of 2024 (adding each number only once)