Q. 124.0( 4 Votes )
My uncle changed a 1000 rupee cheque from a bank in the form of 5 rupee and 10 rupee notes. If he received 137 notes in total then find the number of 5 rupee notes that he got.
Let the number of 5 rupee notes got by uncle be x.
As it is given he gets total of 137 notes, so number of 10 rupee notes he get will be
It is given adding these notes the total amount should be 1000.
Hence the equation becomes,
So uncle got 74,5-rupee notes,
And 137-x=137-74=63,10-rupee notes.
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Let’s find the roots of the equations (i.e. let’s solve the equations).
14 (x-2) + 3 (x+5) = 3(x+8) + 5
West Bengal - Mathematics
Salem uncle of our village used of this savings to buy a house after his retirement from a government job. One day after falling in trouble, he sold his house and got 5% more than his cost price. If he would have taken Rs. 3450 rupees more then he would get 8% more than his cost price. Let’s find the amount of money Salem uncle used to buy his house, and his entire savings.West Bengal - Mathematics