Level 3
Susan had a collection of 1910 red, blue and yellow beads. After Susan gave away 350 red beads, the number of red beads was 240 fewer than the number of blue beads. Given that the number of yellow beads was twice as many as the number of blue beads, how many red beads did Susan have at first?
Level 3
Mark had thrice as much money as Paul. After Mark had spent $60, Paul had twice as much money as Mark. How much more money than Paul had Mark at first?
Level 3
Dennis had 120 marbles more than Jean at first. After Dennis had given away 150 of his marbles to Calvin, Jean had thrice as many marbles as Dennis. Find the number of marbles Dennis had at first.
Level 3
Jerry bought 4 packets of biscuits. Katrine bought 2 times as many packets of biscuits as Jerry. If each packet costs $8, how much did Katrine spend on the biscuits?
Level 3
Daniel had 4 times as much money as Erwin. After Erwin's father gave him $21, the amount of money Daniel had become $3 less than that of Erwin's. How much did Erwin have in the end?
Level 3
There are 624 stamps in a bag. Given that there are four times as many yellow stamps as red stamps and twice as many white stamps as yellow stamps, how many stamps in the bag are yellow?
Level 3
Mr Tan had $800 more than Mr Krishnan at first. After Mr Krishnan had spent $340, Mr Tan had 5 times as much money as Mr Krishnan. Find the amount of money Mr Tan had at first.
