1. Mira was sitting for her driving theory test which consisted of multiple choice questions. By the first hour, she completed 2/5 of the questions. After another half an hour, she managed to answer another 14 questions and the ratio of the number of questions that were answered to those that were unanswered became 3:1. How many questions were there in the driving theory test ?
2. Daniel and Muthu had a number
of cards in the ratio 2 : 7. Muthu and Charles had a number of cards in the
ratio 2 : 1. If they had a total of 200 cards altogether, how many more cards
did Charles have than Daniel ?
3. The ratio of the number of
20-cents coins to the number of 50-cent coins is 5 : 3. The ratio of the number
of 20-cents coins to the number of $1 coins is 3 : 2. If there are 102 coins
altogether, what is the total value of these coins ?
4. Mr Bala spent $490 of his
salary on a DVD player. The remaining money was given to his wife and used for
paying the household bills in the ratio 3 : 2. If he used 1/6 of his salary to
pay the household bills, how much was his total salary ?
5. A bag of sweets was distributed
to 3 boys, Bala, Krishnan and Hock Kee. Bala received 88 sweets and the
remaining sweets were distributed to Krishnan and Hock Kee in the ratio 3 : 1.
If Krishnan received 1/5 of the total number of sweets, how many sweets were
there in the bag at first ?
6. A volleyball costs $40. A
basketball costs $10 more than the volleyball. School XYZ paid $2100 for a
number of volleyballs and basketballs. The ratio of the number of volleyballs
to the number of basketballs bought by the school was 5:3.
a. How many basketballs did the
school buy?
b. How much more money did the
school spend on the volleyballs than on the basketballs?
7. In a basket, the ratio of the
number of pears to the number of apples is 3:4. If I add another 12 apples,
there would be 1/2 as many pears
as apples. How many pears and apples are there in the basket at first ?
8. In a classroom, when 5 boys
left for the washroom, the ratio of the number of boys to the number of girls
that remained became 1:1. On the other hand, when 5 girls left the classroom,
the ratio of the number of boys to the number of girls that remained became
5:3. How many boys and girls were there in the class ?
9. A box contained a number of
20cent and 50cent coins in the ratio 3:4. When ten 50cent coins were taken out
and replaced by 20cent coins, the ratio became 7:5. Find the sum of money in
the box at first.
10. The ratio of Mr Rakesh’s salary
to Mr Smith’s salary was 3:4. After they each gave away $2000 to their wives,
the new ratio of their salaries became 1:3. What was Mr Rakesh’s salary ?
11. The ratio of Joanne’s allowance
to Elizabeth’s allowance is 1:2. After they each spent $4 on books, Joanne has 2/5 as much money
as Elizabeth. Find Joanne’s allowance at first.
No comments:
Post a Comment
Note: only a member of this blog may post a comment.