Question

A stationary shop had three types of pen costing rs 10,25 and 50 there were twice as many 25 rs pen as there were 10rs pen the 50 rs pen added up to a value of 350 if total value of pen was 1550how many pen of each type were there

Answer 1

The 50rs pen are adding 350rs so 50rs pen are 7 in number
Now the amount left is 1200
acc to the question 1200rs=10x +2.5×10x
where x is the number of pens
sccribbled I'm busy oh no I need to delete this answer.