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NCERT Solutions Class 8 Mathematics Solutions for Exercise 8.2 in Chapter 8 - Comparing Quantities
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Q1) A man got a 10% increase in his salary. If his new salary is Rs.1,54,000, find his original salary.
Answer:
Solution:
Let the original salary be Rs.100.
Therefore New salary i.e., 10% increase
= 100 + 10 = Rs.110
\because New salary is Rs.110, when original salary = Rs.100
\therefore New salary is Rs.1, when original salary = \frac{100}{110}
\therefore New salary is Rs.1,54,000, when original salary = \frac{100}{110}\times154000=Rs.\ 1,40,000
Hence original salary is Rs. 1,40,000.
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