Multiple choice

The amount that A and B earns is in the ratio 4 : 3. After a year, A’s salary got increased by 25% and B’s salary by 33.33%. If now the total of their salaries become Rs 8100, What was the initial salary of A? A और B की कमाई का अनुपात 4:3 है। एक साल बाद, A के वेतन में 25% और B के वेतन में 33.33% की वृद्धि हुई। यदि अब उनका कुल वेतन 8100 रुपये हो जाता है, तो A का प्रारंभिक वेतन कितना था?

  1. 3600

  2. 1200

  3. 2400

  4. 2000

  5. 1600

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Let initial salaries be 4x and 3x. After increase: A's salary = 4x + 25% of 4x = 5x. B's salary = 3x + 33.33% of 3x = 4x. Total new salary = 9x = 8100. So x = 900. A's initial salary = 4x = 3600.