Complete the series:
5,10,30, ...................
The cost price of 10 books is equal to the selling price of 9 books. Find the gain percent.
If 92y = 36what is 9y?
The sum of four consecutive counting numbers is 154. Find the smallest number.
Rs. 1581 is divided among A , B and C in the ratio 10 : 15 : 6. What is the share of B?
The angle between the minute hand and the hour hand of a clock, when the time is 89.30