J In a game for 24 groups, the average number of children was 16. When one more group of children was formed to join in the game, the average number of children became 18. The number of boys to girls who had just joined in the game was in the ratio 5: 6. If there were 220 boys at first, how many more boys than girls were there in the end? Answer: ______ ½ of a number is 90 more than! of the same number. What is the number? Answer: ______ A florist arranges some orchids in bouquets of 20 and some roses in bouquets of 10. S�e sells each orchid bouquet for $25 and each rose bouquet for $30. She earns a total of $390. If she sells four times as many orchid bouquets as rose bouquets, how many flowers does she sell altogether? Answer: ______ 101 Must-Know Challenging Maths Word Problems l:look � 0 Singapore Asia Puhlishcrs Ptc Ltd