Answer:

Total monthly salary is the sum of savings plus the amount spent. Therefore monthly salary is ${\text{Rs 11000}}$ . So, the correct answer is “Rs. 11000”

Verified answer

Step-by-step explanation:

To calculate, Mr. Khanna's monthly salary when he spends 83% of his salary and saved 1870, use the following concepts:

Percentage formula is used to find the amount or share of the something in terms of 100.

★ Formula for percentage is;

percentage=( value / total value)×100

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Let the monthly salary is x

Mr Khanna spent 83% and saved ₹1870

Savings = 100-83 = 17%

17% of x = 1870

[tex] \sf \frac{17}{100} x \times 1870 \: \: \: \\ \\ \sf x = \frac{1870 \times 100}{17} \\ \\ \sf \: x = \frac{187000}{17} \: \: \: \: \: \: \: \: \\ \\ \sf \: x = 11000 \: \: \: \: \: \: \: \: \: \: \: \\ [/tex]

Khanna's monthly salary when he spent 83 percent of his salary and saved rupees 1870 is 11000 rupees.