Answer: A) 84 km/hr Explanation: Let the speeds of the car, train and bus be 5x, 9x and 4x km/hr respectively.Average speed = 5x + 9x + 4x/3 = 18x /3 = 6x km/hr.Also, 6x = 72 => x = 12 km/hrTherefore, the average speed of the car and train together is = 5x+9x2= 7x = 7 x 12 = 84 km/hr.

Answer: C) Antarctica Explanation: Africa - 54 countries South America - 12 countries Antarctica - 0 countries Europe - 43 countries.   Hence, Antarctica continent has the least countries.

Answer: B) Chloroplast Explanation: Chloroplasts use energy from light to transform carbon dioxide and water into sugar and oxygen. A green pigment located in membranes within the chloroplasts of plants and algae and in the membranes of certain prokaryotes.

Appellate jurisdiction refers to the power of a higher court to review decisions and change outcomes of decisions of lower courts.

Answer: A) Proteins Explanation: Here the Nitrogenous Food is Proteins. Nitrogenous Food :: The animal body is more than a machine. It requires fuel to enable it not only to work but also to live, even without working. A part of the food eaten must go to maintain the body Nitrogenous food compounds are sometimes classed together under the name of proteins. These may be divided into proteids, gelatinoids, and extractives.

Answer: C) An instrument in the form of depository receipt created by an Indian depository against underlying equity shares of the issuing company Explanation:

Answer: C) 07:39 p.m Explanation:

The job cost sheets constitute the subsidiary ledger for the Work in Process Inventory Account. A job cost sheet is a form used to record the costs chargeable to a specific job and to determine the total and unit costs of the completed job. Companies keep a separate job cost sheet for each job.