Aptitude - Time and Work - Discussion
Discussion Forum : Time and Work - General Questions (Q.No. 5)
5.
A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?
Answer: Option
Explanation:
| C's 1 day's work = | 1 | - |  |
1 | + | 1 |  |
= | 1 | - | 7 | = | 1 | . |
| 3 | 6 | 8 | 3 | 24 | 24 |
| A's wages : B's wages : C's wages = | 1 | : | 1 | : | 1 | = 4 : 3 : 1. |
| 6 | 8 | 24 |
 C's share (for 3 days) = Rs. |
|
3 x | 1 | x 3200 | |
= Rs. 400. |
| 24 |
Discussion:
185 comments Page 15 of 19.
Ramya said:
1 decade ago
Why we have to multiply with 24 to get the ratio as 4:3:1?
Shri said:
9 years ago
It forms equation. Just simplify you'll get answer @Shyam.
Sushmaswaraj said:
8 years ago
Why should we multiply the wages with 24 to get the ratio?
Vinita said:
2 decades ago
Sir pls explain me this step 1/3-7/24= 1/24
How is it?
How is it?
(1)
Divakar said:
1 decade ago
Last step can be written as C's share = 1/8*3200 = 400.
Shro said:
1 decade ago
Why to subtract C's work from (A and B) in 1st step?
Vikas said:
1 decade ago
No need to calculate the ratios its just wast of time.
Bev said:
8 years ago
Easier way to work it out.
(3/8+3/6) -1 x 3200 = 400.
(3/8+3/6) -1 x 3200 = 400.
Jagjeet said:
2 decades ago
I agree in question they should mention 3200 per day.
Sri said:
1 decade ago
@Pradeep koney.
Thanks Pradeep your method is easy.
Thanks Pradeep your method is easy.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers