Logo
[ Login ]
  • New User
  • Home
  • Question Sample
  • Current Affairs
  • Mock Test
  • Job Notification
  • Our Vision
  • Enquiry Form
  • Contact US
  • Home
  • Question Sample
  • Current Affairs
  • Mock Test
  • Job Notification
  • Our Vision
  • Enquiry Form
  • Online Classes
  • Login

Aptitude > Math > Ratio and Proportion

1 The incomes of A,B and C are in the ratio 3:7:4 and their expenses in the ratio 4:3:5. If A saves Rs 300 out of an income of Rs 2400, the savings of B and C are
 
1Rs 4025 and Rs 575
2Rs 1575 and Rs 2625
3Rs 2750 and Rs 1525
4Rs 3725 and Rs 1525
 
Answer: Option1
2 In 30 litres mixture of acid, the ratio of acid and water is 2 :3. What amount of water should be added to the mixture so that the ratio of acid and water becomes 2:5?
 
110 litres
215 litres
319 litres
412 litres
 
Answer: Option4
3 A and B have monthly incomes in the ratio 5:6 and monthly expenditures in the ratio 3:4. If they save Rs 1800 and Rs 1600 respectively, find the monthly income B:
 
1Rs 3400
2Rs 2700
3 Rs 1720
4Rs 7200
 
Answer: Option4
4 The fourth proportional to 0.12, 0.21, 8 is:
 
18.9
256
314
417
 
Answer: Option3
5 Between two consecutive years my incomes are in the ratio of 2:3 and expenses in the 5:9. If my income in the second year is Rs 45000 and my expenses in the first year is Rs 25000 my total savings for the two years is:
 
1nil
215000
310000
45000
 
Answer: Option4
6 The ratio of the first and second class train fares between two stations is 3:1 and that of the numbers of passengers travelling between the two stations by first and second classes is 1:50. If on a particular day, Rs 1,325 are collected from passengers travelling between the two stations, then the amount collected from the second class passengers is
 
1Rs 1,250
2 Rs 1,000
3Rs 850
4Rs 750
 
Answer: Option1
7 The ratio of number of boys to that girls in a group becomes 2:1 when 15 girls leave. But, afterwards, when 45 boys also leave, the ratio becomes 1:5. Originally the number of girls in the group was
 
120
230
340
450
 
Answer: Option3
8 In an alloy, the ratio of copper and zinc is 5:2. If 1.250 kg of zinc is mixed in 17kg500 g of alloy, then the ratio of copper and zinc will be
 
12:1
22:3
33:2
41:2
 
Answer: Option1
9 The students in three classes are in the ratio 2:3:5. If 40 students are increased in each class, the ratio changes to 4:5 :7. Originally, the total number of students was:
 
1100
2180
3200
4400
 
Answer: Option3
10 Rs 180 contained in a box consists of one rupee, 50 paise and 25 paise coins in the ratio 2:3:4. What is the number of 50 paise coins?
 
160
2120
3150
4180
 
Answer: Option2
Online Classes

Get it in your mobile
Online Mock Test
Current Affairs

@ Online Question Bank | Contact US |