2. Questions Bank
  3. 6th Class
  4. Mathematics
  5. Knowing our Numbers

6th Class Mathematics Knowing our Numbers Question Bank Number System

  • question_answer
    The H.C.F of three numbers is 24. If they are in the ratio 35 : 55 : 77, then the numbers are _______, __________ and __________

    A)  280, 440, 615 

    B)             105, 175, 231

    C)  900, 1400, 1900                

    D)  840, 1320, 1848

    Correct Answer: D

    Solution :

         \[35x=5\times 7\times x,\,\,55x=5\times 11\times x,\,77x\] \[=7\times 11\times x\] \[\therefore \]  H.C.F = 24 = x \[\therefore \] Numbers are \[35\times 24,\,\,55\times 24,\,77\times 24\] i.e. 840, 1320, 1848


You need to login to perform this action.
You will be redirected in 3 sec spinner