The area of an isosceles trapezium is 176 m2 and the height is 2/11 of the sum of its parallel sides. If the ratio of the length of the parallel sides is 4: 7. Then what is the measure of height of the isosceles trapezium-

A merchant loses 10% by selling an article. If the cost price of the article is ₹ 15, then the selling price of the article is 

Find the equation of the line that passing through the point (7, -5 ) and is perpendicular to  the line (4x+5y=1).

If the difference between 2 years compound interest and simple interest at the rate of 5 percent of an amount is Rs. 25, then that amount will be?

117.5, 117, 119, 111, 143, ?

A rises from his house at 12 noon towards B’s house at a speed of 8 km/hour. After 1 hour, B rides from his house towards A’s at a speed of 7 km/hour. If the distance between the two houses is 68 km, the time when they meet is

At a construction site, 200 workers were working on a building which is scheduled to end within 250 days. After 30 days, 20 workers leave the job. How many more days will it take to complete the work? 

On selling 17 balls at Rs. 720 there is a loss equal to the cost price of 5 balls. The cost price of a ball is: