Ratio

  1. At a dinner of the Plus Club, each member brought either 1 guest or 2 guests. If the ratio of the number of members to the number of guests is 3 : 5, what fraction of the members brought 2 guests?
  2. Sumin, Mary and Jim were given some funfair tickets to sell. Each ticket was $2. Sumin sold 1/2 of the tickets. Mary and Jim sold the remaining tickets in the ratio of 1 : 3. Sumin sold 36 tickets more than Mary. How much money did they collect altogether?
  3. Ali and Gopal share a sum of money. If Ali gives 1/4 of his share to Gopal, Gopal will have twice as much money as Ali. Find the ratio of Ali's share to Gopal's share.
  4. Boxes A and B each contained some books. After 1/10 of the books in Box B was taken out and put into Box A, the ratio of the number of books in Box A to the number of books in BOx B was 4 : 3. What was the ratio of the number of books in Box A to the number of books in Box B at first?
  5. The ratio of the amount of water in bottle A to the amount of water in bottle B is 4 : 7. If 1/4 of the water in A is poured into B and then 1/4 of the water in B is poured into A, what will the new ratio be?
  6. Lihua and Meili shared some stamps in the ratio 7 : 5.  Then Lihua gave Meili 12 stamps. If each had the same number of stamps after this , how many stamps did Lihua have at first?
  7. The ratio of Raju's weight to John's weight is 4 ; 5. If Raju's weight is increased by 5 kg and John's weight is decreased by 1 kg, Ruju will have the same weight as John. What is Raju's original weight?
  8. A box of beads was shared between Ali and Mingfa in the ratio of 3 : 2. After Ali gave 1/2 of his share to Mingfa, Mingfa had 20 more beads than Ali. How many beads did Ali give to Mingfa?
  9. In a library, the ratio of the number of boys to the number of girls was 4 : 3. 1/2  of the boys and 1/3 of the girls left the library. 16 pupils stayed behind. How many pupils were in the library at first?
  10. Last year the ratio of the number of boys to the number of girls in the computer club was 1 ;2. This year 70 new members joined the club and there are now 4 times as many boys and 3 times as many girls as last year. How many members were in the club last year?
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