The Progressive Teacher Vol 04 Issue 03

worksheet
Max Marks: 20
Ratio and Proportion
Tick ( ) the correct answer
1. The ratio of two numbers is 3:5 and their sum is 40.
The larger of two numbers is
a. 15 c. 25
b. 20 d. 40
2. Which ratio is different from the others?
a. 4:3 c. 3
4
b. 3 to 4 d. 3:4
3. If a:b = 3:7, find the value of (5a + b) : (4a + 5b)
a. 15:44 c. 15:49
b. 22:35 d. 22:47
4. A certain amount was divided between A and B in
the ratio 4:3. If B’s share was Rs. 4800, the total
amount was
a. Rs. 11,200 c. Rs. 19,200
b. Rs. 6,400 d. Rs. 39,200
5. A sum of Rs. 53 is divided among A, B, C in such
a way that A gets ` 7 more than what B gets and B
gets Rs. 8 more than what C gets. The ratio of their
shares is
a. 16:9:18 c. 18:25:10
b. 25:18:10 d. 15:8:30
6. In a proportion, the extremes are 11 and 35. If one
of the mean is 7, then the other mean is
a. 55 c. 11
b. 45 d. 35
7. In a school there are 650 students. The ratio of the
boys to that of the girls is 9:4. How many more girls
should join the school so that the ratio becomes
3:2?
a. 25 c. 60
b. 50 d. 100
8. There are 56 teachers in a school. Out of them, 42
are lady teachers and the rest are male teachers.
The ratio of lady teachers to male teachers is
a. 2:1 c. 1:3
b. 1:2 d. 3:1
Class VII: mathematics
9. In the word MARATHON the ratio of consonants to
vowels is
a. 5:3 c. 5:8
b. 3:5 d. 3:8
10. The class library has 7 English story books, 11
Hindi story books, 15 art books, 10 encyclopaedias,
and 5 health books. What is the ratio of story books
to all books in simplest form?
a. 7:48 c. 3:8
b. 11:48 d. 3:48
Fill in the blanks.
11. A ____________________is formed
when two quantities are compared
by division.
12. Product of ___________ = Product of
______________________ .
13. If a, b, c are in continued proportion,
then c is called ______________________
proportional to a and b.
14. If 1 dozen pens costs Rs. 40, then the cost of
27 pens is ___________ .
15. If a : b :: c : d, then d is called the
___________ to a, b, c.
State whether the following statements are true
or false.
16. A ratio has no unit.
17. Any equality of two proportions is called
a ratio.
18. 2:3 is the simplest form of 12:18.
19. The ratio 5:8 is greater than 10:12.
20. The numbers 10, 20, 30 and 40 are
in proportion.
32
The Progressive Teacher
© DS Digital Private Limited I Photocopying permitted