SOLUTION: There are 50 currency notes of Rs 1000 and 35 currency notes of Rs 500 in a Safe. If 4 notes are drawn at random with replacement ,find the probability that total amount drawn wou

Question 1192543: There are 50 currency notes of Rs 1000 and 35 currency notes of Rs 500 in a Safe. If 4 notes are drawn at random with replacement ,find the probability that total amount drawn would exactly is Rs 3000 a
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
85C4 are the number of ways to choose 4 from 85
The way this works is 2-1000 notes and 2-500 notes
the numerator is 50C2*35C2=1225*595=770525
the denominator is 2024785
the probability is 0.3805
RELATED QUESTIONS
A lady went to bank with Rs.100,000. She asked the cashier to give her Rs. 500 and... (answered by Cromlix)

An amount of Rs. 8750 is made up with the notes of denominations Rs. 100, 50, 20, and 10. (answered by Theo)

Aarushi has a total of RS 590 as currency notes in the denominations of RS 50, RS 20 and... (answered by stanbon)

A lady went to abank with rupees 1000 . She asked the cashier to give her rupees 10... (answered by ikleyn)

Sunil has Rs.240 in 10 rupee and 5 rupee notes. If there are 30 notes in all ? How many... (answered by Fombitz)

A boy has Rs 728 in denomination of Rs 2 notes,Rs 5 notes and Rs 10 notes in the ratio (answered by ikleyn,josgarithmetic,MathTherapy)

Hi, everyone A sum of Rs 2000 is in the denomination of Rs.50 and Rs.10 notes. if the... (answered by sachi)

The sum of RS 1000 is in the form of denominations of RS 10 and RS 50. If the Total... (answered by rothauserc,ikleyn)

A boy has Rs.726 in denomination of Rs.2notes, Rs. 5 notes and Rs 10 notes in the ratio... (answered by ikleyn)