Percentage Mcqs

Q.  Raees credits 15 % of his salary in this fixed deposit account and spends 30 % of the remaining amount on groceries if the cash in hand is Rs. 2380, what is his salary?

a. Rs. 3500
b. Rs. 4000
c. Rs. 4500
d. Rs. 5000


ANSWER: See Answer
 
Let salary be Rs. x.

Then, x – 15 % of x – 30 % of 85 % of x = 2380

or x – 15x/100 – (30×85×x)/(100×100) = 2380

or 200 x – 30 x – 51 x = 2380 X 200

or 119 x = 2380 X 200

or x = (2380×200)/119 = 4000
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