Deveshi has a total of Rs.590 as currency notes in the denominations of Rs.50,Rs.20 and Rs.10. The ratio of the number of Rs.50 notes and Rs.20 notes is 3:5. If she has a total of 25 notes, how many notes of each denomination she has?

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What is the value of $ 5 $ million dollars in Indian rupees given that one dollar is equal to $ 75 $ Indian rupees.

How many perfect cubes can you find from 1 to 100? How many from -100 to 100?