Question
Diamond-water paradox establishes the fact that
Solution
The paradox of value (also known as the diamond–water paradox) is the contradiction that, although water is on the whole more useful, in terms of survival, than diamonds, diamonds command a higher price in the market. Marginal utility, not total utility, is the critical determinant of price. The price of water is relatively low because the marginal utility is relatively low.
A bag contains certain number of coins of different denominations. The ratio of the number of Rs. 1 coins to Rs. 2 coins is 4 : 5, respectively and the...
80 percent of first number is equal to 40 percent of the second number. What is the respective ratio of the first number to the second number?
The sum of three numbers is 147. If the ratio of the first to the second is 2:3 and that of second to the third is 5:8 then the second number is?
Ratio of males to females in village ‘A’ and village ‘B’ is 2:5 and 9:10, respectively and number of females in village ‘B’ is 25% more than...
In a class, the ratio of number of boys to number of girls is 13:9. If 2 boys joined the class and 6 girls left the class, then the ratio becomes 5:3. F...
Find the mean proportion of 81 and 324.
The number of students in a school is 3247. If the ratio between boys to girls is (x+3) : (x+4), then find the value of x.
The ratio of two numbers is 4:5. If each number is decreased by 4, the ratio becomes 7:9. Find the smaller numbers.
An amount is distributed among A, B, C, and D in the ratio 7:5:9:4 respectively. If the amount received by B is Rs. 1,250, then find the amount received...
The mean proportional of 12 and 75 is _____.
