CROSSWORD STD 5 AND 6

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Across
  1. 2. LARGE DISTANCE ARE MEASURED IN ... YEARS
  2. 4. 127*[25+...]=127*25+127*5
  3. 5. IF A=2, B=-3 AND C=4 THEN 2A+3B+4C=?
  4. 7. ALGEBRIC EXPRESSIONS WITH THREE TERMS ARE KNOWN AS...
  5. 9. THEN 4X=?
  6. 10. IF TWO ANGLES ARE COMPLEMENTARY, ONE OF THEM IS 55 THEN THE OTHER IS ...
  7. 13. THE PRODUCT OF ONE NEGATIVE AND ONE POSITIVE INTEGER IS ...
  8. 14. POWER OF 2 OF A NUMBER IS CALLED AS ITS ....
  9. 16. THE TWO SIDES OF A QUADRILATERAL HAVING COMMON END POINTS ARE CALLED AS...
  10. 17. FOR A^N , A IS ITS ....
  11. 18. [18+(-18)]/(-20)
Down
  1. 1. LIKE TERMS WHICH HAVE SAME ..... FACTORS
  2. 3. THE VALUE OF | -7 - 3| IS ...
  3. 4. 7/8 OF (42-(-14)) IS ....
  4. 6. (-1)^217 * (+4)^11*(-3)^13
  5. 8. THE MULTIPLICATIVE INVERSE OF A NUMBER IS ITS ....
  6. 11. [400/20]-[-30+20]=?
  7. 12. FRACTIONS HAVING DENOMINATORS AS WHOLE NUMBERS OTHER THAN ANY POWER OF 10 ARE CALLED .... FRACTIONS
  8. 15. SQUAREROOT OF 49 IS ...