CROSSWORD STD 5 AND 6

12345678910111213141516171819
Across
  1. 5. FIND X, X/4=12
  2. 6. 49-(-2)=...
  3. 8. FIND X, X+11=42
  4. 10. 6/2*2+4=....
  5. 11. NUMERAL FOR X*VI IS....
  6. 12. 22.5/0.5 = ...
  7. 14. NUMERAL FOR XL IS ...
  8. 15. 2-[3-{6-(5-4-1)}]=......
  9. 16. 9/0.5=...
  10. 18. THE PLACE VALUE OF 6 IN 76532 IS ...
Down
  1. 1. LARGEST CHORD OF A CIRCLE IS CALLED AS ...
  2. 2. 10,00,000 IN INTERNATION SYSTEM OF NUMERATION IS...
  3. 3. 2+8/4+3*2=...
  4. 4. ADDITIVE IDENTITY OF WHOLE NUMBER IS ...
  5. 7. PREDECESSOR OF 28 IS ...
  6. 9. HALF TIMES 50 IS ...
  7. 12. 24-6*2+4-6/3=....
  8. 13. TWO FIFTH TIMES 55 IS ...
  9. 17. THE COMMON DISTANCE OF THE CENTRE OF THE CIRCLE TO ITS POINTS IS...
  10. 19. (7*4)+(N*3)=7(4+3), N IS .....