Surveys on the basis of subject matter are of two types (1) Social survey and (2) ........

Extensive survey

• Two types of rice (type 1 and type 2) were mixed in the respective ratio of 1 : 3. The mixture was then sold @ 75.60 per kg to gain a profit of 20%. If the price of type 1 rice is Rs. 75 per kg, what is the price of type 2 price per kg?
• If we took the 500 people attending a school in New York City, divided them by gender, and then took a random sample of the males and a random sampling of the females, the variable on which we would divide the population is called the ........
• Two types of alloy possess gold and silver in the ratio of 7 : 22 and 21 :37. In what ratio should these alloys be mixed so as to have a new alloy in which gold and silver would exist in the ratio 25:62
• Direction: Read the following information carefully and answer the questions that follow: Seven subjects – Physics, Chemistry, Mathematics, Biology, English, Accounts and Economics were taught on one day of the week not necessarily in the same order
• Greg Beck of Quality Market Research tells placement student John to go out and select for personal interview ten men and ten women. Greg is using ........ sampling for this phase of the research.