Level 3
Three clowns, Bobo, Toto and Dodo each has 10 balloons. After giving away some of their balloons, Bobo has 5 balloons left, Toto has 3 more balloons than Dodo while Dodo has 2 fewer balloons than Bobo. Find
Level 3 Mrs Tay has some money to buy some burgers. If she buys 13 burgers, she would be short of $10. If she buys 9 burgers, she would have $6 left. How much money does Mrs Tay have?
Level 3
Some adults were at a concert. After 664 women and 2755 men left the concert hall, there were 521 adults left. How many adults were there at the concert hall at first?
Level 3
Ben had some flour. He used the same amount of flour each day. By the end of Day 5, he had 590 g of flour left. At the end of Day 6, he had 540 g of flour left. How much flour did Ben have at first?
Level 3 Merry has some flowers. If she arranges 9 flowers in each vase, she will have 6 flowers left. If she arranges 11 flowers in each vase, one of the vases will have only 7 flowers. What is the number of vases Merry has?
Level 3
Ms. Tan has some marbles in a bag. The number of marbles is less than 50. If she gives 8 marbles to each pupil, she will have none left. If she gives 9 marbles to each pupil, she will need 4 more marbles.