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Which of the following statements are true?
Statement I Big data refers to no precise quantity, but generally refers to data in the range of Petabytes and Exabyte, i.e. billions to trillions of records, all from various sources. Big data is generated much faster. than traditional data in much larger quantities.
Statement II Big data interests industries because they are able to learn more patterns and curious variances than smaller data sets, with the capability to provide valuable insights into consumer behaviour, weather systems, financial market activity, or other phenomena.
Statement III Various departments and product lines use various applications within most organisations and store data in separate datasets. These separate databases may contain similar data, but data from one data base to another is not always consistent. This is called data silo.
The following question has three statements. Study the question and the statements and decide which of the statement(s) is necessary to answer the question. X, Y and Z are three positive numbers, such that X < Y < Z. By what percentage should X be increased so that it becomes equal to Z? Statement I. When X is increased by 25, it becomes 50% of Z. Statement  II. When X is multiplied by 1.8, it becomes 80% of Z. Statement  III. When Z is divided by 3, it becomes 75% of X.
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
A saint or a satyagrahi is often put on a ___________, freezing her acts of goodness in time. Goodness acquires an act of fixed quality __________ in amber. Rather than _____________ a living creature, a saint or an icon becomes a hoarding, a permanent spectacle or a redundant quotation. Saintliness or heroism becomes a bundle of pictures in a calendar, a statue __________ inflexibly. Goodness becomes a stencil fixed _________ time.
Goodness becomes a stencil fixed _________ time.
Consider the following statements in connection with deflection-type and null-type instruments: 1. Null-type instruments are more accurate than the deflection-type ones. 2. Null-type of instrument can be highly sensitive compared to a deflection-type instrument. 3. Under dynamic conditions, null-type instruments are less preferred to deflection-type instruments. 4. Response is faster in null-type instruments as compared to deflection-type instruments. Which of the above statements are correct?
Consider the following grammar and the semantic actions to support the inherited type declaration attributes. Let X1, X2, X3, X4, X5 and X6 be the placeholders for the non-terminals D, T, L or L1 in the following table: Production rule Semantic action D → T L X1.type = X2.type T → int T.type = int T → float T.type = float L → L1, id X3.type = X4.type addType(id.entry, X5.type) L → id addType(id.entry, X6.type)   Which one of the following are the appropriate choices for X1, X2, X3 and X4?
A trader sells Dal mixture of two types A and B. The ratio of type A to type B dal in 60kg Dal mixture is 7 : 5. If some kg type A dal and 2 kg of type B dal are added to the mixture then the ratio of type A to type B dal becomes 5 : 3. What quantity of a newly formed mixture of dal?
Given below are three quantities named A, B and C. Based on the given information, determine the relation among the three quantities. Quantity A∶  A 30 litre mixture of wine and water has wine and water in the ratio 5∶ 7. How much water must be drawn off so that the ratio of wine and water becomes 25∶ 19? Quantity B∶ A 35 litre mixture of wine and water has wine and water in the ratio 1∶ 3. How much water must be drawn off so that the ratio of wine and water becomes 1.75∶ 3.35? Quantity C∶ A 27 litre mixture of wine and water has wine and water in the ratio 3∶ 2. How much water must be drawn off so that the ratio of wine and water becomes 81∶ 11?
The following question has three statements. Study the question and the statements and decide which of the statement(s) is necessary to answer the question. A stationary store had blue, black and red pens in the ratio 9 ∶ 8 ∶ 1. How many total pens did the store had? I. If 200 blue pens and 100 black pens were sold, the ratio becomes 5 ∶ 6 ∶ 1. II. If 50 blue and 50 red pens were bought, the ratio becomes 5 ∶ 4 ∶ 1. III. If 50 black pens were sold and 100 red pens were bought, the ratio becomes 9 ∶ 7 ∶ 3.
If the ages of Joe and Andy are added to thrice the age of Mary, the total becomes 79. If the ages of Joe and Mary are added to twice the age of Andy, the total becomes 61 and if the age of Mary is added to thrice the age of Andy and thrice the age of Joe, the total becomes 101. What is the age of Mary?  
If ‘South - west’ becomes ‘East’, ‘East’ becomes ‘North - west’, ‘South’ becomes ‘North - east’, then what will ‘North’ become?