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A person spends 30% of monthly salary on rent, 25% on food, 20% on children’s education and 12% on electricity and the balance of Rs. 1040 on the remaining items. What is the monthly salary of the person?

8000

9000

9600

10600

Explanation:

Let the monthly salary of the person be x. then,
Total spends of a person = (30 + 25 + 20 + 12) = 87%
Remaining % = 100 – 87 = 13%
So, 13% ≡ 1040
100% ≡ x
By the cross multiplication, we get
x = 1040 x 100/ 13 = 80 × 100 = Rs. 8000

By: Amit Kumar

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