Q.) The monthly salaries of A and B together amount to 40,000. A spends 85% of his salary and B, 95% of his salary. If now their savings are the same, then the salary of A is
Let the salary of A be X.
salary of B be Y.
X + Y = 40000 ——(I)
A spends 85% of his salary. Saving of A = 0.15X
B spends 95% of his salary. Saving of B = 0.05Y
Now , the savings of A and B are same.
0.15X = 0.05Y
=> 15X = 5Y
=>3X = Y ——- (II)
Putting the value of Y in (I) ,
X + 3X = 40000
4X = 40000
X = 10000
Hence , Salary of A = 10000 . Hence , Option(a)