Question
Mathematics Question on Elementary Mathematics
Rs 6500 were divided equally among a certain number of persons. Had there been 15 more persons, each would have got Rs 30 less. Find the original number of persons.
A
50
B
60
C
40
D
55
Answer
50
Explanation
Solution
Assume the number of passengers be x
The amount received by each person be Rs.x6500
From the question we know that,
=(x+15)(x6500−30)=6500
= 6500−30x+(x15×6500)−450=6500
= −30x2+(15×6500)−450x=0
= x2+15x−3250=0
= (x+65)(x−50)=0
So, the value of x can be - 65 and 50
The number of persons cannot be negative so, 50
The correct option is (A): 50