Question

of second part Finds
200 more than
7. The angles of a triangle are in the ratio 2:3:4. Find the measure of each angle.
26
ISO 20
4000
Total number of students 4000
of 4000
4000 2200
20
ch
(c) 4 km: 16 km
24 hours:8 hours
(a) 7482112
Thus, the number of boys in the school 20
Exercises 8.1
Express the following ralios in the simplest form
(b) 500 cm 50 cm
(d) 600 g:800 g
(e) 52 balls:65 balls
2. Express the following ratios in simplest form.
(a) 5 m:258 cm
(b) 250 g:3 kg
(d) 480 m:3 km 20 m
(e) 7 hours:56 minutes
3. Compare the following ratios.
(b) 13:9 and 11:18
4. Simplify the following ratios.
(c) 60 p:32
(f) 61 220 ml: 1240 ml
(c) 20:90 and 35:15
ctively
(a) 5:8 and 3:5
(b
s. A farmer has 27 goats and 36 cows. What is the ratio of the cows to the goats?
6. Divide 600 marbles among three friends in the ratio 1:2:3.
the rectangle
ropes
8. If the ratio of the length and breadth of a rectangle is 7:3 and its perimeter is 140 cm, find the area of
9. A 10 m rope is divided into two parts such that one part is of second part. Find the length of two
10. The prices of a cooler and an air conditioner are in the ratio of 2.7. If air conditioner cost 325,000
more than the cooler, what are the prices of cooler and air conditioner each?
11. Two numbers are in the ratio 11:14. If the smaller number is 121, what is the greater number?
12. Mr Gupta and Mr Sharma started a partnership firm and introduced 720,000 and 325,000 as capital,
respectively. At the end of the year, they made a profit of 37200. How each profit each in entitled to,
if they have decided to divide the profit in the ratio of their capital.
numbers
una eigin ini
ion​

Answer 1

Answer:

1)2×X =3×4

2×X=12

X=12/2

X=6

2)4km:16km

4/16

4

3) 24 hrs/8 hrs

3 hrs answer

4) 500cm /50 cm

10

5) 600 /800

3/4=3:4

6)7 hrs /56 mins

=60×7/56

420/56

7.5

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