Large Number,Roman Number,Addition & Subtraction,Multiplication,Division

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Across
  1. 2. Smallest 4-digit number
  2. 4. Eight thousand nine hundred fifty four
  3. 7. III + II + V =
  4. 8. 80000+9000+600+60+4 in figures
  5. 11. Twenty one thousand five hundred eighty seven in figures
  6. 14. 380 + 5 + 5 + 370 =
  7. 16. Smallest 6-digit number
  8. 17. 10 × 15 + X
  9. 18. Form the smallest number using 08573
  10. 20. Place value of 5 in 508912
Down
  1. 1. XXX =
  2. 2. 15758 - 10
  3. 3. 169 ÷ 8 =
  4. 5. 4 hundred + 87 ones = ?
  5. 6. XII stands for
  6. 7. The successor of greatest 4 digit number
  7. 9. Place value of 9 in 9057
  8. 10. 40 hundreds is same as
  9. 12. 1000 × 100 + 100 + 400
  10. 13. What is the sum of 790 + 6 =
  11. 15. smallest 4-digit number + Greatest 4-digit number + 1 =
  12. 16. X + IV + IV
  13. 19. 70000 + 9990 + 5 = ?