Maths Crossword

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Across
  1. 3. 12,38,116,350,1052,?
  2. 6. what is the least number by which 825 must be multiplied in order to produce a multiple of 715?
  3. 7. Number when multiplied by itself gives the original number.
  4. 9. In how many words can be the letters of the word INTERMIDIATE be arranged?
  5. 11. Smallest number by which 3600 be divided to make it a perfect cube.
  6. 12. Bonnie has saved 64 dimes. How much money has she saved in all?
  7. 13. 1 ton= ______ pounds
  8. 14. Write the value of cos^(-1) (cos 7π/6)
Down
  1. 1. Principal value of tan^(-1) 1 + cos^(-1) (-1/2)
  2. 2. 2,3,5,16,231,?
  3. 4. Find the odd one out: 5,6,14,45,105,925,5556
  4. 5. 3 dollars +3 dimes + 2 nickels=
  5. 6. Find the greatest number of 4 digits and the least number of 5 digits that have 144 as their HCF.
  6. 8. [(878×11)+11]×11+11
  7. 10. How many arrangements can be made out of the letters of the word COMMITTEE taken all at a time, such that the four vowels do not come together?