Q. 29

Meena went to a b

Answer :

Let Meena has received x no. of 50 notes and y no. of 100 notes. So,


50 x + 100 y = 2000


x + y = 25


multiply by 50


50x + 100y = 2000


50 x + 50 y = 1250


- - -


50y = 750


y = 15


Putting value of y=15 in equation (2)


x + 15 = 25


x = 10


Meena has received 10 pieces of 50 notes and 15 pieces of 100 notes


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