Aptitude - Chain Rule - Discussion
Discussion Forum : Chain Rule - General Questions (Q.No. 4)
4.
A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. The number of days for which the remaining food will last, is:
Answer: Option
Explanation:
After 10 days : 150 men had food for 35 days.
Suppose 125 men had food for x days.
Now, Less men, More days (Indirect Proportion)
125 : 150 :: 35 : x 
125 x x = 150 x 35
 x = |
150 x 35 |
| 125 |
x = 42.
Discussion:
82 comments Page 2 of 9.
Sabyasachi samal said:
1 decade ago
Thanks i get it right now.As indirect proportion we can usethe less no of people more number of days.
so put 125/250 so first put the less number of people then the more number of people.
so put 125/250 so first put the less number of people then the more number of people.
Neha garg said:
1 decade ago
@Vikas thanks.
Saleh said:
1 decade ago
Thanks vikas. But any one help - How find out direct and in direct proportion?
Ajay Kumar said:
1 decade ago
Vikas's method is excellent.
Yogendra said:
1 decade ago
Hi, saleh in direct proportion we compare ist to last value &in indirect proportion we take last to 1st Ex-less men,more days(indirect prop.) 125:150
Sugan said:
1 decade ago
Great rahul your very right.
Sita said:
1 decade ago
@vikas
Nice way of explaining.
Nice way of explaining.
Nithin said:
1 decade ago
@rahul after 10 days 25 men will leave, so how come we can take as 150? we must take it as 125 right!
Vabs said:
1 decade ago
@ vikas
Nice technique
Nice technique
Sakthi said:
1 decade ago
Very good explain vikas. Thank you.
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