Q.13. Ravi's monthly salary is Rs. 15000. He spends Rs. 2500 for grocery, Rs. 2500 for school fee of his children and Rs. 5000 of additional expenses. He deposit the balance in bank. (a) What fraction of his salary does he deposit in the bank? (b) What is the fraction of amount he spends in school fee?
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Answered by
1
Answer:
Correct option is D)
Let Radha's monthly salary be Rs x.
Then, from the given data we can write
40% of x+20% of x+10% of x+10% of x+ Rs 1500=x
⇒
100
40
×x+
100
20
×x+
100
10
×x+
100
10
×x+ Rs 1500=x
⇒
100
80x
+ Rs 1500=x⇒x−
5
4x
= Rs 1500
⇒
5
x
= Rs 1500⇒x=1500×5= Rs 7500
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Answer:
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