This is because when the demand curve is a rectangular hyperbola, the price elasticity of demand is equal to one (unit elastic). Therefore, a decrease in price is exactly offset by an increase in quantity demanded, leaving total expenditure unchanged.
In a college election a candidate who got 40% of the total votes polled was defeated by 126 votes. Assuming that there were only two candidates in the e...
A spent 23% of his monthly income on study and 44% of the remaining on rent. If amount spent on rent is Rs. 1694, then find the amount spent on study
Monthly income of A is Rs. 80000 out of which he spent 20%, 10% and 20% of his total income in rent, medicine and transportation, respectively. Find his...
A retailer buys three types of Rice bags at ₹60, ₹40 and ₹20 per kg respectively. He mixes them in the ratio of 1:2:3 by weight and sold them at a...
Tim spends 22% of his monthly income in travelling. He spends 25% of his monthly income on household expenses and spends 36% of his monthly income on fa...
Out of 1200 people in a city, 40% speak Mandarin and the rest speak Cantonese. If out of non-Mandarin speakers, 35% are males and out of Mandarin speake...
If the length of a rectangle is increased by 60%, what would be the percentage decrease (correct to the nearest integer) in the width to maintain the s...
A bag contains 550 coins of 25p denomination and 1100 coins of 50p denominations. If 11% of 25p coins and 22% of 50p coins are removed, the percentage o...
A bag contains 650 coins of 25p denomination and 1300 coins of 50p denominations. If 19% of 25p coins and 38% of 50p coins are removed, the percentage o...
Teena decided to donate 10% of her salary as a charity. On the day of donation she changed her mind and donated Rs 3680 which was 9...
