Answer: D) 3.785 kgs Explanation: 1 Gallon = 3.785 kgs Gallon is a unit of measurement of liquid. We know that 1 gallon = 3.785 liters But we know that, 1 cubic meter = 1000 lit or 1000 kgs => 1 lit = 1 kg Hence,  1 gallon = 3.785 lit = 3.785 kgs.

Answer: B) K x K= JL Explanation: Let the Time be 'N' and Rate be 'R'  J = (K x NR)/100 K = (L x NR)/100  J/K = NR/100 K/L = NR/100  J/K = K/L  K x K = JL

Answer: C) Hydrogen Explanation: Hydrogen is the common element to all Acids. But every element which contains Hydrogen is not an Acid. Most of the acids also contain Oxygen.

Answer: D) Specific enzymes breakdown proteins into amino acids Explanation: Protein digestion occurs in the stomach and duodenum in which 3 main enzymes:   1. Pepsin secreted by the stomach  2. Trypsin and 3. Chymotrypsin secreted by the pancreas   Break down food proteins into polypeptides that are then broken down by various exopeptidases and dipeptidases into amino acids.

The Tripitaka was Written in Third Century bce(beginning of the common era). The Tripitaka (called Tipitaka in Pali) is the earliest collection of buddhist writings. Initially, they were composed orally.

Answer: B) 117 Explanation: Square units 13 by 9 of an office means office of length 13 units and breadth 9 units.   Now its area is 13x 9 = 117 square units or units square.

Answer: A) Chemical Explanation: In rusting the Iron ore make a chemical reaction with the oxygen in the presence of water and environmental or atmospheric moisture to produce an Iron oxide. Iron oxide is otherwise called as rust. The rusting of iron is a chemical change because it is two substances reacting together to make a new substance.

Answer: D) Chandragupta Vikramaditya Explanation: Fahien came to India during the reign of Chandragupta Vikramaditya.