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Percentage - General Aptitude

Q1:

Two tailors X and Y are paid a total of Rs. 550 per week by their employer. If X is paid 120 percent of the sum paid to Y, how much is Y paid per week?

A Rs. 200

B Rs. 250

C Rs. 300

D None of these

ANS:B - Rs. 250

Let the sum paid to Y per week be Rs. z. Then, z + 120% of z = 550.

 z + 120 z = 550
100
11 z = 550
5
 z = 550 x 5   = 250.
11