If2n=128, then (2n-1)(5n-2)=?
If n + n = k +k and n + k = 5, then n=?
A train 120 m long is traveling at a speed of 60 km / h. The time in which it will pass a passes by, walking at 6 km / h in the same direction is --
A rectangular carpet has an area of 120 sq. meters and a perimeter of 46 meters. The length of its diagonal is--
The area of smallest square that can circumscribe a circle of area 616 cm2 is -----
A man borrowed Tk . 900 at 10% per annum simple interest and immediately lent the whole sum at 10% per annum compound interest. what does the gain at the end of 2 years?
what is the maximum percentage discount that a merchant can offer on her Marked price so that she ends up selling at no profit or loss, if she had initially marked her goods up by 50% ?
A man can hit a target once in 4 shots. If he fires 4 shots in succession , what is the probability that he will hit his target?
In a class 40% of the students enrolled for Math and 70% enrolled for Economics . If 15% of the students enrolled for both Math and Economics, what % of the students of the class did not enroll for either of the two subjects?
How many diagonals does a 63 - sided convex polygon have?
The expression of 1+21-2 is equivalent to which of the following :
The average of a set of 12 numbers, which includes 35, is N. If 35 is removed from the set and 38 is added to the set, then what is the average of the new set of numbers in terms of N ?