Question
44.98% of 399.98 = ? x 19.98 - (39.98% of
2499.98) What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)Solution
ATQ, 44.98% of 399.98 = ? Γ 19.98 β (39.98% of 2499.98) ? Γ 20 β (40% Γ 2500) ~ 45% Γ 400 ? Γ 20 β (40 Γ 25) ~ 45 Γ 4 ? Γ 20 β (1000) ~ 180 ? Γ 20 ~ 1000 + 180 ? ~ 1180/20 ? ~ 59
Which SQL function returns the total number of rows in a table?
What is meant by 'cardinality' in data modeling?
Which of the following is a real-time data warehouse application?
What is the result of SELECT COALESCE(NULL, NULL, 5, 10);?
Which of these is not a typical data warehouse characteristic?
Which type of schema uses a central fact table connected to dimension tables?
Which of the following best describes the primary function of a database index?
Which type of slowly changing dimension (SCD) preserves full history by adding a new row for each change and using effective date ranges?
Which SQL keyword is used to combine results from two queries and remove duplicates?
In the context of a relational database, which of the following is NOT a characteristic of a candidate key ?