Out of his total income Mr Kapoor spends 20 on house rent and 70 of the rest on household expenses I...........

Quant (SSC) Percentage

Out of his total income, Mr Kapoor spends 20% on house rent and 70% of the rest on household expenses. If he saves Rs. 1800 what is his total income (in rupees)?

Rs. 7800

Rs. 7000

Rs. 8000

Rs. 7500

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Explanation:

100/-
↓ - 20%
80
↓ - 70%
24 (save)
Now, 24 ≡ 1800
Let the total income be 100, then
24 ≡ 1800
100 ≡ x
By the cross multiplication, we get
⇒ x = 1800 x 100 /24 = 7500/-