1) A map has a scale of 1 cm : 25 km.
What distance does 6 cm represent?

2) A model car is built in the ratio 1 : 20.
If the model is 25 cm long, what is the actual car length?

3) In a bag of 60 marbles, the ratio of red to blue marbles is 2 : 3.
How many blue marbles are there?

4) A class has 35 students.
The ratio of girls to boys is 2 : 5.
How many girls are there?

5) What is the ratio of 4 to 12 in simplest form?

6) A solution has water and milk in the ratio 3 : 1.
If it contains 16 liters of the solution, how much milk is there?

7) Two similar triangles have sides in the ratio 3 : 5.
If the smaller triangle has a side of 6 cm, what is the corresponding side in the larger triangle?

8) If A:B = 2 : 3, what is B : A?

9) If the ratio of Rahul’s to Kabir’s age is 5 : 7 and the sum of their ages is 48, how old is Kabir?

10) Simplify the ratio 120 : 180

11) A’s salary is 25% more than B’s.
What is the ratio of A’s salary to B’s?

12) A blueprint uses a scale of 1 : 100.
If a room is 3 cm long on the blueprint, what is its real length?

13) A container has water and juice in the ratio 3 : 2.
If there are 15 liters of water, how much juice is there?

14) A map has a scale of 1 cm : 50 km.
What distance does 4 cm represent?

15) A and B invest ₹12,000 and ₹18,000 respectively.
After 6 months, B leaves.
What is the ratio of profit at the end of 1 year?

16) If 5 taps fill a tank in 2 hours, how long will 10 taps take (same flow rate)?

17) If the ratio of boys to girls in a class is 3 : 2 and there are 18 boys, how many girls are there?

18) If a cyclist covers 60 km in 3 hours, what is the ratio of distance to time?

19) A recipe for 6 people uses 300g flour.
How much flour is needed for 4 people?

20) 5 : 15 = x : 45.
Find x