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How to take LCM of decimal numbers?

kya hm ise Hindi me nhi dekha sakte

how to unlock the test without purchase

The entry fees in a exhibition was RS.10
later this was reduced by 25%which increased the sales of tickets by 20% find the percentage increase in the nubmer of visitors

How to solve the problems related to cubes. (Cutting of cubes. etc.)

When the price of fan was reduced by 20%, the no.of fans sold increased by 40% .what the effect on the sales rupees

Ramesh and his son were born on the same date and the age of Ramesh was 4 times that of his son when he was as old as his son is now. What could be the sum of present ages of Ramesh and his son on their birthdays, if Ramesh is at-least 45 years old and his son is not more than 30 years old?

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