If 10% of A is the same as 20% of B then A : B is equal to? 1 : 2 2 : 1 5 : 1 10

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Question
If 10% of A is the same as 20% of B then A : B is equal to?
Options
A. 1 : 2
B. 2 : 1
C. 5 : 1
D. 10 : 1

Correct Answer

2 : 1

Explanation

10% of A = 20% of B
? 10/100 x A = 20/100 x B
? A/10 = B/5
? A/B = 10/5 = 2
Hence, A : B = 2 : 1

Ratio and Proportion problems

Search Results

1.
0.6 of a number equals 0.09 of another number. The ratio of the number is?
Options
A. 2 : 3
B. 1 : 15
C. 20 : 3
D. 3 : 20

2.
If A : B = 7 : 9 and B : C = 3 : 5 then A : B : C is?
Options
A. 7 : 9 : 5
B. 21 : 35 : 45
C. 7 : 9 : 15
D. 7 : 3 : 15

3.
If A : B = 5 : 7 and B : C = 6 : 11, then A : B : C is?
Options
A. 55 : 77 : 66
B. 30 : 42 : 77
C. 35 : 49 : 42
D. None of these

4.
If A = B/3 and B = C/2, then A : B : C is?
Options
A. 1 : 3 : 6
B. 2 :3 : 6
C. 3 : 2 : 6
D. 3 :1 :2

5.
If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, then A : D is equal to?
Options
A. 2 : 7
B. 7 : 8
C. 16 : 35
D. 4 : 13

6.
If A : B = 2 : 3 and B : C =4 : 5, then C : A is equal to?
Options
A. 15 : 8
B. 12 : 10
C. 8 : 5
D. 8 : 15

7.
The proportion of Zinc and Copper in a brass piece is 13 : 7. How much zinc will be there in 100 kg of such a piece?
Options
A. 20 kg
B. 35 kg
C. 55 kg
D. 65 kg

8.
One-fourth of the boys and three-eight of the girls in a school participated in the annual sports. What proportional part of the total student population of the school participated in the annual sports?
Options
A. 4/12
B. 5/8
C. 8/12
D. Data inadequate

9.
Rs. 1050 is divided among P, Q and R. The share of P is 2/5 of the combined share of Q and R. Thus P gets?
Options
A. Rs. 200
B. Rs. 300
C. Rs. 320
D. Rs. 420

10.
Rs. 385 has been divided among A, B, C in such a way that A receives 2/9th of what B and C together receive. Then A's share is?
Options
A. Rs. 70
B. Rs. 77
C. Rs. 82.50
D. Rs. 85

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