Question
A column or set of columns that uniquely identifies each
row in a table is called a:Solution
Primary Key
In a college, 70% of the students opted for cultural activities. Among those, 50% participated in music events and the remaining 105 students took part ...
In a village with 3500 residents, 65% are males and 50% of them can read and write. If 40% of the total population is literate, what is the percentage ...
- Priya had Rs. 9,000 with her. She gave 10% for women empowerment, then donated 30% of what was left for environmental care, and 20% of the remaining amount...
- 35% of ‘p’ and 55% of ‘q’ together sum up to 190. If ‘q’ is 50 greater than ‘p’, then find the value of (2p – q).
A sum of Rs. 46,000 was divided between 'A' and 'B' such that the amount received by 'B' was 30% more than that by 'A'. If 'A' and 'B' spent 10% and 25...
A Salesman is allowed 18% commission on the total sales made by him and a bonus of 1% on the sales over Rs. 40000. If the total earning of a salesman is...
A person spent 12.5% of his monthly income on food and 32% of the remaining on rent. If amount spent on rent is Rs 1512, then find the amount spe...
During a school council election, candidate X received 61% of the votes and beat candidate Y by a margin of 4,880 votes. Determine how many votes candid...
In a train, 45% of the passengers are females. Out of total number of passengers, 65% have unreserved tickets out of which 27% are females. How much per...
- A shopkeeper offers two consecutive discounts of 25% and 15% on a product. What is the equivalent single discount percentage?
