Class 6 Maths - Ratio - set 02

Q1) The ratio of Kevin's cards to John's cards is 5 : 7. If Kevin gives 20 cards to John's, the ratio becomes 1 : 2. Find the number of cards they have altogether.


Ans: ____________
 Answer
They have 240 cards altogether.

Q2) The ratio of the number of apples to the number of mangoes in a basket was 2 : 1. When 18 mangoes were added to the basket, the ratio of the number of apples to the number of mangoes became 8 : 7. How many mangoes were there in the basket in the end?



Ans: ______________
Answer
There were 42 mangoes in the basket in the end.

Q3) How many more circles must be shaded so that the ratio of the number of unshaded circles to the total number of circles is 1 : 3?

Ans:____________

Answer

4

Q4) Given the number of fiction books is 2/3​   the number of non-fiction book, what is the ratio of non-friction books to the total number of books?


Ans: ___________
Answer
3 : 5  

Q5) The ratio of Elliot's savings to Jerry's savings is 6 : 7. If Elliot saves $18 more and Jerry spends $9, they will have the same amount of money. How much is Elliot's savings?


Ans: $__________
Answer
162

Q6) The ratio of the age of Mdm Huda to her son's age is 5 : 1 now. In 7 years time, she would be thrice as old as her son. What is the total age of Mdm Huda and her son now?

Ans: ____________

Answer

The total age of Mdm Huda and her son now is 42 years old.

Q7) Grandpa Tommy had a huge collection of local and foreign stamps in the ratio of 13 : 2 respectively. He went to a stamp fair and exchanged 279 of his local stamps for an equal number of foreign stamps and the ratio became 2 : 1. How many stamps did he have in total?

Ans:____________

Answer

He had 1395 stamps in total.

Q8) Chef Daniel used three ingredients, A, B and C, to make cakes. A packet of ingredient A has a mass of 50 g. Each packet of ingredients B and C has a mass of 70 g and 90 g respectively. The ratio of the number of packets of ingredients A, B and C used was 7 : 3 : 2. Given that the total mass of the ingredients used was 9 620 g, how many packets of ingredients were used altogether?

Ans:____________

Answer

156 packets of ingredients were used altogether.

Q9) Ryan and Sam shared a sum of money in the ratio of 2 : 3. When Ryan gave Sam $20, he had half of what Sam had. How much did Sam have a first?

Ans: $_________

Answer

180

Q10) The ratio of the number of red to the number of blue beads in a bag is 11 : 7. If there are 20 more red beads than blue beads, how many blue beads are there in the bag?

Ans: _________blue beads

Answer

35

Q11) The ratio of the number of swimmers to the number of non-swimmers is 6 : 25.
The ratio of the number of male swimmers to the number of female swimmers is 2 : 1. Given that 3/5​  of the non-swimmers are females and there are 320 males swimmers, how many female non-swimmers are there altogether?

Ans: _____________
Answer
There are 1200 female non-swimmers altogether.

Q12) The ratio of the number of boxes to the number of marbles in a shop is 1 : 15. The number of blue marbles is 4/7​  of the number of red marbles. There are 225 more red marbles than blue marbles. How many boxes are there?

Ans:____________
Answer
There are 55 boxes.

Q13) In a company, the ratio of the number of female employees to the number of male employees was 5 : 3. After 556 men left the company, the ratio of the number of women to the number of men became 3 : 1. How many employees were there at first?

Ans: _____________

Answer

There were 3336 employees at first.

Q14) Shane has thrice as many marbles as Keith. Keith has 3/4​  of what Nick has. What is the ratio of Nick's marbles to Shane's marbles to Keith's marbles?

Ans: _____________

Answer

4 : 9 : 3

Q15) In an art class, the ratio of the number of boys to the number of girls was 3 : 4. After 12 boys left the art class, there were 512​  as many boys as girls. How many boys were there in the art class at first?

Ans: _______________boys

Answer

27