crossnumber

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