# Need math help with A man who has $480 in the denominations of one-rupee notes

**Question description**

A man has $480 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has

ii There are two examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same. If 20 candidates are sent from B to A, then the number of students in A is double the number of students in B. The number of students in room A is

iii The price of 10 chairs is equal to that of 4 tables. The price of 15 chairs and 2 tables together is Rs. 4000. The total price of 12 chairs and 3 tables is

iv
If *a* - *b* = 3 and *a*^{2} + *b*^{2} = 29, find the value of *ab*

v
The price of 2 T-shirt and 4 shirts is $1600. With the same money one can buy 1 T-shirt
and 6 shirts. If one wants to buy 12 shirts, how much shall he have to
pay

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