Aptitude - Ratio and Proportion - Discussion

Discussion Forum : Ratio and Proportion - General Questions (Q.No. 1)
1.
A and B together have Rs. 1210. If of A's amount is equal to of B's amount, how much amount does B have?
Rs. 460
Rs. 484
Rs. 550
Rs. 664
Answer: Option
Explanation:

4 A = 2 B
15 5

A = 2 x 15 B
5 4

A = 3 B
2

A = 3
B 2

A : B = 3 : 2.

B's share = Rs. 1210 x 2 = Rs. 484.
5

Discussion:
166 comments Page 4 of 17.

Aadya said:   4 years ago
@Sridhar.

I don't understand how it becomes 2a=3b.

Please explain to me.
(13)

Anjana Kesarwani said:   4 years ago
A4/15 = B2/5.
A/B = 3/2,
5 = 1210,
1 = 242,
B = 242 of 2 = 484.
(63)

Prashanth M said:   4 years ago
Thanks for the wonderful explanation.
(1)

Jyoti said:   4 years ago
Listen @Yogesh.

Take A=3x and B=2x.
5x= 1210 => x= 242.
Then B= 2 * 242= 484 Ans.
(26)

Akbar said:   4 years ago
Well done. Thanks for explaining.

Sindhu said:   4 years ago
Thank you @Ranjeet Kaur.
(1)

AKPARIDA said:   5 years ago
Cleared my doubt. Thank you, @Sridhar and @Bhuvi.

Utkalika said:   5 years ago
@Harshita

4/15 is on the left side.
So when we take it to the right side of the equal sign then we reciprocate it i.e., 4/15 becomes 15/4.

The same rule applies from right to left.

Harshita said:   5 years ago
Why 4/15 turned to 15/4? Please explain.

Yogesh said:   5 years ago
a:b = 3:2 then
b= 2/5 how? Explain.


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