To increase or increment a Quantity by adding Percentage % (WP-28: Percentage %)

Increase

Rs. 1500 by 12%

Solution: 

12% of Rs. 1500 = `\frac {12}{100}`ｘRs. 1500 = Rs. 180

thus

Increase in Rs. 1500 by 12% = Rs. 1500 + Rs. 180 = Rs. 1680 

Similar Question:

Increase
1000 m by 50%

Decrease
700 kg by 18%

Decrease
120 by 40%

The salary of a factory worker is Rs. 5000. He was given an increment of 12%. Find his new salary.

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