Hello Aspirants. Welcome to Online Quantitative Aptitude section in AffairsCloud.com. Here we are creating question sample in Ratio & Proportion , which is common for all the competitive  exams. We have included Some questions that are repeatedly asked in exams !!
- Divide Rs.2340 into three parts, such that first part be double that of second part and second part be 1/3 of the third part.Find the Third part amount?
A.Rs.780
B.Rs.1170
C.Rs.750
D.Rs.390
E.None of theseAnswer – B.Rs.1170
Explanation :
First: Second: Third = 2:1:3
Third part = 3*2340/6 = 1170 - The ratio of income of A and B is 2:3. The sum of their expenditure is Rs.8000 and the amount of savings of A is equal to the amount of expenditure of B.What is the their ratio of  sum of income to their sum of savings?
A.5:3
B.3:2
C.4:3
D.3:1
E.None of theseAnswer -A.5:3
Explanation :
2I-E + E = 8000
I = 4000
Sum of their Income = 5*I = 5*4000 = 20,000
Sum of their Savings = 20000-8000 = 12,000
20000:12000 = 5:3 - There are 2 containers of equal capacity. The ratio of milk to water in the first container is 4:5 and in the second container is 3:7.If they are mixed up then the ratio of milk to water in the mixture will be
A.17:63
B.65:96
C.34:75
D.67:113
E.None of theseAnswer – D.67:113
Explanation :
4+5 = 9=> 40:50
3+7 = 10=> 27:63
40+27 : 50:63 = 67:113 - There are two numbers. When 25% of the first number is added to the second number, the resultant number is 1.5times th first number.What is the ratio of 1st number to the 2nd number ?
A.3:5
B.5:4
C.4:5
D.2:3
E.None of theseAnswer – C.4:5
Explanation :
A+25/100 + B = 1.5A
A/4 + B = 15A/10
10A+40B/40 =60A/40
10A+40B = 60A
50A = 40B
A/B = 4/5 - A bag contains 10p,25p and Rs50p coins in the ratio of 5:2:1 respectively. If the total money in the bag is Rs.120.Find the number of 25p coins in that bag?
A.160
B.130
C.110
D.90
E.None of theseAnswer – A.160
Explanation :
10*5 : 25*2 : 50*1 = 50:50:50 = 1:1:1
120/3 = Rs.40
Rs. 1 = 4
Rs.40 = 4*40 = 160 coins - The ratio of Ganesh’s age and his mother’s age is 5:12.The difference of their ages is 21.The ratio of their ages after 4 years will be
A.3:7
B.6:11
C.4:7
D.19:40
E.None of theseAnswer – D.19:40
Explanation :
12x – 5x = 21
7x = 21
X = 3
5:12 = 15:36
After 4 years = 19:40 - The ratio of students of three classes is 2:3:4. If 12 students are increased in each classes then their ratio turns into 13:18:23. What was the total number of students in all the three classes originally ?
A.250
B.215
C.225
D.190
E.None of theseAnswer – C.225
Explanation :
50:75:100
15 students increased
65:90:115Â => 13:18 :23
Total no of students = 50+75+100 = 225 - Ravi and Govind have money in the ratio 5 : 12 and Govind and Kiran also have money in the same ratio 5 : 12. If Ravi has Rs. 500, Kiran has
A.Rs.2500
B.Rs.2880
C.Rs.1850
D.Rs.3100
E.None of theseAnswer – B.Rs.2880
Explanation :
Ravi : Kiran = 5/12* 5/12 = 25/144
Kiran = 144*500/25 = 2880 - A town with a population of 1000 has provision for 30days, after 10 days 600 more men added, how long will the food last at the same rate ?
A.12 days
B.14 ½ days
C.12 ½ days
D.15 days
E.None of theseAnswer – C.12 ½ days
Explanation :
1000*20/1600 = 12 1/2 days - A man spends Rs.2480 to buy lunch box Rs.120 each and bottles at Rs.80 each,What will be the ratio of maximum number of bottles to lunch box are bought ?
A.13:12
B.11:13
C.9:12
D.7:10
E.None of theseAnswer – A.13:12
Explanation :
Check the ans using option
13*80+ 12*120 = 1040+1440 = 2480
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