Answer: A) 19 Explanation: Initialy from left 7th = kumarfrom right 9th = pawanInterchange kumar = 11th from left, from right kumar = 9th;11+8 = 19;8 is 1,2,3,4,5,6,7(pawan),8,9,10,11(kumar),12,13,14,15,16,17,18,19;simply count the 9th place from right we will get total as 19.

Answer: A) decreases Explanation: When water freezes its density decreases. Water at ordinary temperatures contracts and increases in density as it is cooled, like most substances. But at about 4°C it reaches a maximum density and then decreases in density as it approaches the freezing point.

Answer: D) St. Laurence Seaway (USA and Canada) Explanation:

Answer: C) 18th Explanation: Number of persons between Amrita and Mukul = 50 - (10 + 25) = 15. Since Mamta lies in middle of these 15 persons, so Mamta`s position is 8th from Amrita i.e. 18th from the front.

The shadow zone is the area of the earth from angular distances of 104 to 140 degrees from a given earthquake that does not receive any direct P waves. The shadow zone results from S waves being stopped entirely by the liquid core and P waves being bent (refracted) by the liquid core. There are two types of Shadow zones: one for P waves and one for S waves.   P wave shadows between 104-140 degree, both sides; S wave shadow from 105 of one side to 105 of the other.

Answer: A) manage public schools in accordance with state and federal law. Explanation: The main function of a school board is to manage public schools in accordance with state and federal law. The functions of the school board of a public school are: • to establish strategic direction and priorities for the school. • to monitor and review school performance and to report on it to the Director-General, parents of students at the school and staff. • to develop, maintain and review curriculum for the school. • to develop and review education policies at the school. • to establish budgetary policies for the school and approve the school budget. • to establish policies for the efficient and effective use of school assets and the management of financial risk. • to develop relationships between the school and the community and between the school and community organisations. • to make recommendations to the Director-General on issue affecting the school and to give effect to the Director-General’s directions. • to encourage parent participation in their children’s learning; and • to exercise any other function given to the board under this Act or any otherTerritory law.

Answer: B) Dandi March Explanation: In Indian History, Dandi March or Salt Sathyagraha or The Salt March, also known as the Dandi Satyagraha, was an act of nonviolent civil disobedience in colonial India led by Mohandas Karamchand Gandhi to produce salt from the seawater.    It is also called as 'White Flowing River'.

Answer: A) active transport Explanation: The only transport method that can move species against their concentration gradient i.e, from low to high concentration is called Active transport.   Facilitated diffusion only moves species down their concentration gradient i.e, from high to low concentration.