We know the identity sin2(x)+cos2(x)=1 -------(i) Dividing throughout the equation by cos2(x) We get sin2(x)/cos2(x) + cos2(x)/cos2(x) =... View Article
We have to find the oxidation number of N in nitrate ion that is NO3- Let the oxidation number of N in NO3- be x. The oxidation state of... View Article
We need to find the value of log1000 log 1000 is considered same as log 101000 log 1000 = log 103 = 3 log 10 = 3 *1 = 3 (since log 10 = 1)... View Article
We need to find the square root of 15 We know that 15 can be expressed as 3 X 5 Hence, √15= √(3 X 5) √15= √3 X √5 We know that √3 = 1.7320... View Article
Answer: 50 The chemical formula of calcium carbonate is CaCO3. The molecular weight of the calcium carbonate can be calculated as follows Mass... View Article
Answer: The methods of cultivation rely on the physical environment's conditions, technical know-how and socio-cultural activities. Commercial... View Article
Answer: 1/5 Number of Candidates from ABC = Five candidates Number of Candidates from Global LTD = Six candidates Number of Candidates from... View Article
Answer: We need to learn the sequence of wording the number system to write the numbers in words and this series will start from the extreme... View Article
Answer: (4) Smart recorder The method of programming a device to perform tasks by itself is related to as automation. The smart recorder is less... View Article
Answer: (4) Insoluble heavy impurities Evaporation is the process in which a liquid state of matter (water)Â is converted into a gaseous state... View Article
Answer: A rational number, in Mathematics, can be defined as any number which can be represented in the form of p/q where q ≠0. When the... View Article
Answer: Rabi crops A word Rabi derived from Arabic implies spring. The crops that are harvested in the spring during the winter season are... View Article