LIC AAO 04 May 2019 Paper

Question : 54 of 100

Marks: +1, -0

A man deposits 10% of his salary in PF. He saves 30% of the remaining. The ratio of his expense on medicine and groceries is 3 : 4, of the remaining salary after saving. If his expense on the medicine is Rs. 8100, find his monthly salary.

Rs. 30000
Rs. 25000
Rs. 20000
Rs. 35000
None of these

Validate

Solution:

(1) Let monthly salary of the person be Rs.

x

.
P.F. ⇒

Rs. x/ 10

Saving ⇒

{9x}/ 10 ×30 /100 =Rs. {27x}/ 100

Remaining salary =

Rs. ( {9x}/ 10 -{27x}/ 100 )= Rs. {63x}/ 100

Medicine : groceries = 3 : 4
∴ Expense on medicine =

Rs. (3 /7 ×{63x}/ 100 )=Rs. {27x}/ 100

∴

{27x}/ 100= 8100

⇒

x ={ 8100 ×100} /27 = Rs. 30000

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