Question
Who invented the mercury
thermometer?Solution
The mercury thermometer was invented by Daniel Gabriel Fahrenheit, an important development in temperature measurement tools.
The monthly income of Raju was Rs. 13500 and his monthly expenditure was Rs. 9000. Next year his income increased by 17% and his expenditure increased b...
In a school there are 60% boys and rest are girls. If number of girls is 360 then find the total number of boys in the school.
- In an internal assessment, the minimum passing percentage is 45%. Marks scored by ‘M’ are 15% less than passing marks, and ‘N’ scores 18% marks les...
A man spends 72% of his income. If his income increases by 28% and his expenditure increases by 25%, then what is the percentage increase or decrease in...
Neha goes to a toy store with some money. She can buy 60 dolls or 20 robots with the money with her. However, instead of spending the entire amount, she...
In an exam, Riya scored 40% and fell short of the pass mark by 20 marks, whereas Mehul scored 50% and exceeded the passing mark by 10 marks. What are th...
In a village 40% of votes were cast in an election. A and B were the contestants. A won by 600 votes. If B had got 60% more votes, there would have been...
Rahul spends 80% of his salary and earns an allowance of 5% of his salary each month. His annual saving is Rs. 94500. Find his monthly allowance.
...If the price of a rice bag is reduced by (50/3)%, by what percentage should a family increase its consumption of rice bags to ensure that their total ex...
In each population, 30% of the population is affected with asthma out of which 90% of asthma patients used to work in flour mills. If 30% of the total p...
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