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Start learning 50% faster. Sign in nowThermoelectric generators convert thermal energy into electricity by using heat from the body — or any object with a temperature gradient — as their energy source. At the heart of every thermoelectric generator is an array of thermocouples that are responsible for converting thermal energy into electricity. Bismuth telluride and its alloys are commonly used in thermocouples.
A spent 30% and 20% of his monthly salary on food and rent, respectively. Of the remaining amount, he gave 21% and 14% to his mother and brother, respec...
'P' allocates 25% of his income to rent and then spends 40% of the remaining amount on food and travel. After these expenses, he spends Rs. 5600 on misc...
X and Y are two numbers. Their average is 280, and the sum of X and Y is 160% of X. What percentage of X is the difference between X and Y?
A no. is multiplied by 35 instead of being multiplied by 53. What % is the result of the required correct value?
A bulb-producing company found 17% of the total product defective. If the total number of nondetective products is 4565, then specify the number of tota...
In a school election for the position of president, two students were competing. Among the eligible voters, 80% participated by c...
20% of 35% of a number is 175. What is 18% of that number?
Ajay spent 34% of his monthly income on rent and 46% of the remaining on food and the rest amount is saved by him which is Rs. 1782, then find the month...
A number reduced by 33% becomes 335. What percent should it be increased so that it becomes 950?
The incomes of Ajay and Pawan are in the ratio of 5:3. Ajay allocates 20% of his income to food, spends 25% of the remaining amount on education, and sa...