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
A housewife saved Rs. 2.50 in buying an item on sale. If she spent Rs. 25 for the item, approximately how much percent she saved in the transaction ?
A is 16 years older than B. But half the age of B is equal to 1/3 of A’s age. Find their present age.
A is 2 years older than B who is twice as old as C. If the total of the ages of A,B and C is 27, how old is B?
A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?
