A gun is fired at a distance of 1.34 km from Geeta. she hear the sound after 4 second . the speed at which sound travels is .
A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is:
A has 50 coins of 10 paise denominations. While B has 10 coins of 50 paise denominations. C has 20 coins of 25 paise denominations while D has 25 coins of 20 paise denominations. The average number of paise per person is :
A has 8 pencils, B has 10 pencils and C has 15 pencils, then the average number of pencils with them are
A heap of pebbles when made up into group of 32, 40, 72, leaves the remainder 10, 18 and 50 respectively. Find least number of pebbles in the heaps.
A hexagonal prism has 18 edges. How many Vertices does it have ?
A highway loads to the foot of a 50 m tall tower. From the top of the tower, the angles of depression of two cars on the highway are 30° and 60°. What is the distance between the two cares ?
A hollow iron pipe is 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weights 8 g/cm^3, then the weight of the pipe is:
A horse is tied at the corner of a rectangular field whose length is 20 m and width is 16 m, with a rope whose length is 14 m. Find the area which the horse can graze :
A house worth Rs. 150000 is sold by X at a 5% profit to Y. Y sell the house back to X at a 2% loss. Then, in the entire transaction
