**Hai Friends,**

**Welcome to MSR Classes.**In this video I am going to solve Basic Ratio and Proportion Questions. This video is much helpful for the aspirants who are preparing for the upcoming Railway, SSC and other competitive exams. First pause the video and try to solve on your own.

**1. If a : b = 2 : 3 and b : c = 5 : 7, find the value of a : b : c ?**

a)
5 : 7 : 13

b)
10 : 15 : 17

c)
10 : 15 : 21

d)
7 : 15 : 13

e)
10 : 15 : 7

**2. What is the fourth proportional to 3, 7, 15.**

a)
15

b)
25

c)
30

d)
35

e)
40

**3. Divide Rs.1024 in the ratio 9 : 7?**

a)
576, 448

b)
235, 365

c)
123, 231

d)
783, 241

e)
None

**4. What must be added to each term of the ratio 49 : 68 so that it becomes 3 : 4?**

a)
4

b)
8

c)
12

d)
22

e)
15

**5. The ratio of milk and water in a mixture is 13 : 7. How much milk will be there in 100 lit of such a mixture?**

a)
20lit

b)
35lit

c)
55lit

d)
65lit

e)
45lit

**6. 48% of the first number is 60% of the second number. What is the ratio of the first number to the second number?**

a)
4 : 7

b)
3 : 4

c)
5 : 4

d)
Can’t be determined

e)
None of these

**7. The total number of students in a school is 2140. If the number of girls in the school is 1200, then what is the respective ratio of the total number of boys to the total number of girls in the school?**

a)
26 : 25

b)
47 : 60

c)
18 : 13

d)
31 : 79

e)
None of these

**8. Seats for Maths, English and General Knowledge are in the ratio of 5 : 7 : 8 respectively. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the respective ratio of increased seats ?**

a)
2 : 3 : 4

b)
6 : 7 : 8

c)
6 : 8 : 9

d)
Can't be determined

e)
None of these

**9. Suman had 10 paise, 25 paise and 50 paise coins in the ratio of 10 : 8 : 9 respectively. After giving Rs. 20 his father he has Rs. 40. How many 50 paise coins does he had earlier?**

a)
72

b)
60

c)
54

d)
35

e)
21

**10. The cost price of 2 shirts and 3 jeans is Rs. 2200 and the cost price of 2 jeans and 4 shirts is Rs. 2400. Find the ratio between the cost price of the jeans and the shirt.**

a)
8 : 9

b)
10 : 7

c)
6 : 5

d)
11 : 10

e)
None of these

__View the Solutions here__