Question

A man got a 10%increase in his salary .if his new salary is 154000,find his original salary​

Answer 1

Answer:

answer is 140000

Step-by-step explanation:

first method

☞ let the original salary be X

☞ new salary = original salary e + increase in salary

☞ 154000 = x + increase in salary

☞ 154000 - x = increase in salary

☞ therefore increase in salary = 154000- x

☞ now,

increase in salary= percentage increase × old salary

☞ 154000-x = 10% × x

☞ 154000 - x = 10/100 × x

☞ 154000 - x = 1/10 x

☞ 154000 = 1/10x + x

☞ 154000 = x (1/10+1)

☞ 154000 = x (11/10)

☞ 15000 / 11 × 10 = x

☞ 154000/11 = x

☞ 140000 = x

☞ therefore x = 140000

second method

☞ let the salary before the increase mint be ₹100

then,

☞ increase in salary = ₹ 10

☞ therefore increased salary = (10+100) = ₹110

☞ if increased salary is rupees 110 ,then original salary is rupees 100

☞ if increase salary is rupees 154000

☞ original salary ₹ (100/110 × 154000) = 140000

☞ hence the salary of men before increasment was rupees 140000

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