A train starts from a place A at 8:00 a.m. and arrives at another place B at 1:30 p.m. on the same day. If the speed of the train is 30 km/hr, then what will be the distance (in km) covered by the train?
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A shopkeeper offers the following 3 schemes. Which scheme has the lowest discount percentage (all articles have same marked price)?
I. Two successive discounts of 10% and 10%
II. Buy 7 get 8
III. Buy 9 get 1 free
The ratio of the cost price and selling price of a shirt is 32 : 37. What is the profit percentage?
The difference between simple interest on a certain sum at the rate of 6% per annum for 5 years and 6 years is 25.8. What is the sum (in Rs)?
If the average of 31, x, 42, 39, 56, 78, 83 and 91 is 58.5, then what is the value of x?
If (3/2)X = (5/7)Y = (6/5)Z, then what is X : Y : Z?
The two equations are 4x + 4ky-6=0 and x+6y-12=0. Find the value of k for the pair of two linear equations represents the parallel lines.
Find the y-intercept of the line joining two points (1, 3) and (3, 5).