If (4/5)A = 3B = (2/3)C, then what is A : B : C?
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A can do a work in 15 days and B in 20 days. If they work on it together for 5 days, then what fraction of work is left?
A bus travels 720 km in 20 hours. Calculate its average speed in meters/second.
The sum of the ages of father and son at present is 33. Two years ago the product of their ages was 28. What is the age of the father and the son?
The number whose square is equal to the difference of the squares of 37 and 23 is:-
372 – 232 =840 Required number =840 = 28.98
If 3n = 2187, then the value of n is:
If the shopkeeper sells an item at Rs 4400 which is marked as Rs 5000, then what is the discount that he is offering?
At 22% discount the selling price of a refrigerator is Rs 26000, what is the selling price if the discount is 40%?