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Q.

Lakshmi is a cashier in a bank. She has currency notes of denominations Rs. 100, Rs. 50and Rs. 10, respectively. The ratio of the number of these notes is 2:3:5. The total cash with Lakshmi is Rs. 4,00,000. How many notes of Rs. 50 denomination does she have?


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a

3000 notes

b

2000 notes

c

1000 notes

d

4000 notes  

answer is A.

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Detailed Solution

Given, ratio of the Rs. 100, Rs. 50 and Rs. 10 2:3:5 and total cash = Rs. 4,00,000.
Let the number of 100, 50and 10 Rs notes be 2x,3x,5x.
According to given condition,
2x(100)+3x(50)+5x(10)=400000 200x+150x+50x=400000 400x=400000 x=1,000 Number of Rs. 50 notes =3×1000=3000.
Hence, the correct option is 1.
 
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