Marked price of an article is Rs 520 and selling price is Rs 384.8. What is the discount percentage?
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A bag has Rs 20 in the form of 1-rupee, 50-paise and 10-paise coins in the ratio of 2:3:5. Find the number of 50-paise coins.
The average of five consecutive even numbers is 40. What is the value of smallest of these numbers?
a% of b + b% of a = ______
Value of (cos 53° - sin 37°) is
Value of (4a2+ 12ab + 9b2)/(2a + 3b) is
When a number is increased by 24, it becomes 104% of itself. What is the number?
Two taps P and Q can fill a tank in 24 hours and 18 hours respectively. If the two taps are opened at 11 a.m., then at what time (in p.m.) should the tap P be closed to completely fill the tank at exactly 2 a.m.?