11)

What is the ratio of the mean proportional between 1.9 and 17.1 to the third proportional to 1.2 and 4.2?

SSC Selection Post Matric 2022

A)

19 : 49

B)

13 : 37

C)

17 : 87

D)

11 : 47

12)

If a : b = \(2\over3\) and b : c = \(\frac{5}{8}\), then (3a + c) : (4b - c) = ?

, Avg: 01:11 , 100%✓ SSC Selection Post Matric 2022

A)

3 : 4

B)

2 : 1

C)

5 : 3

D)

3 : 2

13)

A sum of Rs. x is divided between A, B and C in the ratio \({4\over5}:{2\over3}:{\frac{3}{4}}\). If the share of B is Rs. 2,600, then what is the value of x ?

SSC Selection Post Matric 2022

A)

8,645

B)

8,515

C)

8,450

D)

8,580

14)

The incomes of A and B are in the ratio 3 ∶ 7. A and B save Rs. 3,800 and Rs.12,200, respectively. If the ratio of their expenditures is 4 ∶ 9, then what is the difference (in Rs. ) between the income of A and 40% expenditure of B?

SSC Selection Post Matric 2022

A)

7,800

B)

7,500

C)

7,200

D)

8,200

15)

What X is added to each of 7, 11, 16, 21, then the numbers so obtained in this order are in proportion. What is the value of x?

, Avg: 02:44 , 100%✓ SSC Selection Post Matric 2022

A)

29

B)

21

C)

24

D)

31

16)

Six years ago, the ratio of A and B was 7 ∶ 8. After 2 years from now, the ratio of their ages will be 9 ∶ 10. What is the sum of the present ages (in years) of A and B?

, Avg: 01:30 , 100%✓ SSC Selection Post Matric 2022

A)

57

B)

102

C)

72

D)

87

17)

The ratio of the number of animals in zoo A to the number of animals in zoo B is 6 ∶ 5. If zoo B has 65 animals in the beginning, how many animals must be transferred from zoo A to B so that the ratio of animals in zoo A and zoo B becomes 6 ∶ 7?

SSC Selection Post Matric 2022

A)

12

B)

11

C)

13

D)

10

18)

What is the third proportional to 12 and 54?

, Avg: 00:22 , 72%✓ SSC Selection Post Matric 2022

A)

\(18 \sqrt2\)

B)

4.5

C)

243

D)

42

19)

The ratio of the incomes of A and B is 5 : 7 and their savings are ₹5,000 and ₹9,000, respectively. If the ratio of their expenditures is 3 : 4, then what is the sum of the incomes (in ₹) of A and B?

SSC Selection Post Matric 2022

A)

72,000

B)

84,000

C)

60,000

D)

96,000

20)

The ratio of the incomes of A and B is 3 : 4. The ratio of their expenditure is 7 : 10. If A and B save ₹2,500 and ₹3,000, respectively, then what is the ratio of the income of B to the combined expenditure of A and B?

SSC Selection Post Matric 2022

A)

17 : 18

B)

16 : 17

C)

11 : 13

D)

5 : 7