Welcome to your Aptitude Test-1-Ratio and Proportion

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1) If a: b = 7: 5, b: c = 9: 11, find a: b: c?

63: 14: 55

63: 45: 55

14: 14: 15

7: 14: 15

2) The marks obtained by Vijay and Amith are in the ratio 4:5 and those obtained by Amith and Abhishek in the ratio of 3:2. The marks obtained by Vijay and Abhishek are in the ratio of?

6:5

5:3

5:6

2:1

3) 1000 men have provisions for 15 days. If 200 more men join them, for how many days will the provisions last now?

10.5

12.5

11.5

10.4

4) 1: 3 = 1 2/3: x. The value of x is?

4 1/6

5

3

1

5) A 70 cm long wire is to be cut into two pieces so that one piece will be 2/5th of the other, how many centimeters will the shorter piece be?

20cm

30cm

10cm

25cm

6) The smallest ratio out of 1:1, 2:1, 1:3 and 3:1 is?

1:2

1:3

2:1

3:1

7) The ratio of the number of ladies to gents at a party was 1:2 but when 2 ladies and 2 gents left, the ratio became 1:3. How many people were at the party originally?

12

24

36

6

8) Rs.160 contained in a box consists of one rupee, 50 paisa and 25 paisa coins in the ratio 4:5:6. What is the number of 25 paisa coins?

110

120

115

100

9) A, B and C play a cricket match. The ratio of the runs scored by them in the match is A:B = 2:3 and B:C = 2:5. If the total runs scored by all of them are 75, the runs scored by B are?

21

18

15

24

10) The triplicate ratio of 1:2 is?

1:2

1:8

2:1

8:1

11) The ratio of two numbers is 2:3 and the sum of their cubes is 945. The difference of number is?

5

6

4

3

12) The fourth proportional to 12, 14 and 18 is?

21

22

20

28/3

13) Sushil got thrice as many marks in English as in Science. His total marks in English, Science and Maths are 162. If the ratio of his marks in English and Maths is 3:5, find his marks in Science?

18

30

24

28

14) The third proportional to 1 and 2 is?

4

2

1

3

15) The first three terms of a proportion are 3, 9 and 12. The fourth term is?

36

6

4

18

16) The inverse ratio of 3: 2: 1 is?

2:3:1

3:1:2

1:2:3

2:3:6

17) If a: b = 3:4, b:c = 7:9, c:d = 5:7, find a:d?

7:12

5:11

5:12

3:11

18) The proportion of copper and zinc in the brass is 13:7. How much zinc will there be in 100 kg of brass?

20 kg

40 kg

55 kg

35 kg

19) The sub-duplicate ratio of 1:4 is

2:1

1:4

1:3

1:2

20) What number has a 5:1 ratio to the number 10?

55

50

42

62

21) The greatest ratio out of 2:3, 5:4, 3:2 and 4:5 is?

5:4

4:5

2:3

3:2

22) If A:B = 1/2: 1/3 B:C = 1/2:1/3 then A:B:C?

2:3:3

9:6:4

1:2:6

1/6:1/2:1/3

23) A garrison of 400 men had a provision for 31 days. After 28 days 280 persons re-enforcement leave the garrison. Find the number of days for which the remaining ration will be sufficient?

6 days

10 days

3 days

8 days

24) The duplicate ratio of 3:4 is?

6:8

3:4

9:16

4:3

25) The mean proportional between 4 and 9 is?

3

4

9

6

26) 96 is divided into two parts in such a way that seventh part of first and ninth part of second are equal. Find the smallest part?

48

40

42

38

27) Two same glasses are respectively 1/4th 1/5th full of milk. They are then filled with water and the contents mixed in a tumbler. The ratio of milk and water in the tumbler is?

3:8

10:27

9:31

8:21

28) An amount of money is to be divided between P, Q and R in the ratio of 3:7:12. If the difference between the shares of P and Q is Rs.2400, what will be the difference between Q and R's share?

3000

2800

2400

3200

29) A sun is divided among X, Y and Z in such a way that for each rupee X gets, Y gets 45 paisa and Z gets 30 paisa. If the share of Y is RS. 27, what is the total amount?

Rs.105

Rs.120

Rs.90

Rs.96

30) The compound ratio of 2/3, 6/7, 1/3 and 1/8 is given by?

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