1. Fill in the blanks.
a. The first term in a ratio is called ________
b. 14:6::7:___
c. The simplest form of ratio of 15:20 is ___
d. If the cost of 1 kg rice is ₹50 then the cost of 8 kg
rice is ____
e. The first term and fourth term are called _____
2. Match the following.
a. 100:80 i.
3:1
b. 81:27 ii.
1:2
c. 16:32 iii.
6:7
d. 1200:1400 iv.
5:6
e. 50:60 v.
5:4
3. Choose the correct option.
1. The ratio of 500 m to 5 km is:
a. 2:3 c.
4:6
b. 1:10 d.
1:100
2. The sum of 100 divided in the ratio 2:3 is:
a. 40 and 60 c.
30 and 70
b. 760 and 40 d. 20 and 80
3. Which of the following is in proportion?
a. 2, 3, 5, 6 c.
4, 6, 18, 28
b. 3, 5, 12, 20 d.
4, 9, 6, 8
4. The length and breadth of a rectangle are in the ratio
2:1. If the length is 10 cm, then the breadth is:
a. 7 cm c.
10 cm
b. 5 cm d.
2 cm
5. 2:10::5:x. The value of x is:
a. 30
b. 25
c. 35
d. 15
4. State whether the following statements are true (T) or
false (F).
a. The ratio of 6 pens to 20 pens is 3:10.
b. A ratio will always be more than 1.
c. The ratio 2:3 is same as 3:2.
d. Equivalent ratios have the same values.
5. Solve these:
1. There are 13 books and 26 pencils. What is the ratio of
books to pencils?
2. There are 6 action movies and 4 dramas being shown in a
theatre. What is the ratio of dramas to action movies?
3. Are the ratios 1:2 and 12:36 equivalent? 5. What is the
ratio of 30 km to 6000 m?
4. Are the numbers 1, 2, 3, and 6 in proportion? 7. What is
the simplest form of the ratio 150:50? 8. What is the value of x in 4:5::8:x?
5. The actual distance between Bhubneshwar and Cuttack is 28
km; find the distance on the map if the scale is 1:10000000