Tuesday 7 August 2012

(7th August)Revision on Skill Set 5 - Work Backwards

2) A is a number.
   
    Add 5 to A and multiply the result by 10.

    Subtract 8 from the product and divide the result of 2.

    The final result is 151.

     What is A?



3) There are 100 marbles in Bag A and Bag B altogether. 24 marbles are taken from Bag A and another 15
    
     marbles are transferred from Bag A to Bag B. In the end, Bag a and Bag B have the same number of
    
     marbles. How many marbles are there in each bag at first?

9 comments:

  1. Dear Mdm Pavithra,
    Thank you for posting up these problem sums!

    ReplyDelete
  2. Dear Mdm Pavithra,thank you for posting the problem sums questions!

    Best Regards,

    Sheryl Ng

    ReplyDelete
  3. Thank you Mdm Pavithra for posting!

    ReplyDelete
  4. Thanks Mdm Pavi for posting them up!

    ReplyDelete
  5. Thank a lot for posting up these problem sums!

    ReplyDelete
  6. Dear Mdm Pavithra,
    thank you for posting the problem sums.

    ReplyDelete
  7. Thank you, Mdm Pavithra for posting!

    ReplyDelete