Aptitude - Ratio and Proportion - Discussion
Discussion Forum : Ratio and Proportion - General Questions (Q.No. 10)
10.
If Rs. 782 be divided into three parts, proportional to 
: 
: 
, then the first part is:
: : , then the first part is:
Answer: Option
Explanation:
Given ratio = : : = 6 : 8 : 9.
 1st part = Rs. |
 |
782 x | 6 |  |
= Rs. 204 |
| 23 |
Discussion:
97 comments Page 8 of 10.
Sanesh said:
1 decade ago
I can't understand the 6/23 so please explain?
Rupam said:
1 decade ago
Given Ratio = 1/2 : 2/3 : 3/4.
= 1/2*12 : 2/3*12 : 3/4*12.
= 6 : 8 : 9.
So 1st part is = Rs. (782 * 6/23) = Rs. 204.
[ to get 12.. do LCM of 2, 3 and 4 ].
= 1/2*12 : 2/3*12 : 3/4*12.
= 6 : 8 : 9.
So 1st part is = Rs. (782 * 6/23) = Rs. 204.
[ to get 12.. do LCM of 2, 3 and 4 ].
Kamal bansal said:
1 decade ago
Why we need sum of all the three? how did we know this in exam?
Deepa said:
1 decade ago
Hi,
The given ratios are in fraction form that's why we have to convert the fraction form to whole number form with out changing the values of the ratios (only the form is changed and not the values) _. Then only the sum will b easy. And continue the sum as @K.POWAR said. I hope you can understand.
The given ratios are in fraction form that's why we have to convert the fraction form to whole number form with out changing the values of the ratios (only the form is changed and not the values) _. Then only the sum will b easy. And continue the sum as @K.POWAR said. I hope you can understand.
Chintamani said:
1 decade ago
Why take LCM when we can directly simplify 1/2:2/3:3/4 by cancelling the common factor?
T.SATHISH KUMAR said:
1 decade ago
Easy method take 2, 3, 4 first divide by 2 then it becomes 1, 3, 2 then divide 2 then it becomes 1, 3, 1 then divide 3 it becomes 1, 1, 1 then take divided number 2*2*3=12 do like this my friend.
Sravani said:
1 decade ago
I liked Rajani's way of solving
Sharmila S. Meena said:
1 decade ago
Priya explained very simply. I liked her method of solving.
K Powar said:
1 decade ago
This is a question on equivalent fraction. Since the ratio's are not equivalent, converting into equivalent fraction as under :
1/2 = 6/12
2/3 = 8/12
3/4 = 9/12
Hence, the ratio's are
6:8:9
or
6/23 ; 8/23; 9/23
First part : 782 * 6/23 = 204
Second part : 782 * 8/23 = 274
Third part : 782 * 9/23 = 306
1/2 = 6/12
2/3 = 8/12
3/4 = 9/12
Hence, the ratio's are
6:8:9
or
6/23 ; 8/23; 9/23
First part : 782 * 6/23 = 204
Second part : 782 * 8/23 = 274
Third part : 782 * 9/23 = 306
Akash said:
1 decade ago
Why we need sum of all the three? how did we know this in exam?
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