For the following questions answer them individually
If $$\frac{5}{8}$$ of $$184 \times 15 \div 5 + k = 513 \div 9 + 435$$, then the value of k is:
The average weight of 34 persons is increased by 3 kg when one person weighing 90 kg is replaced by a new person. Weight of the new person is:
Atul alone can complete a work in 114 days. How many persons were required with the same efficiency as Atul to complete the same work in 19 days?
The selling price of a product is such that the seller earns a profit of 20% on the cost price. Determine the ratio of selling price to cost price.
In an election between two candidates, 80% of the voters cast their votes out of which 5% of votes were declared invalid. A candidate got 285000 votes which was 75% of the total valid votes. The total number of voters enrolled for that election was:
If the third proportion to 3 and 27 is ‘x’, then what would be the HCF of ‘x’ and 27?
A solid hemisphere has a volume of $$1,152 \pi$$ cm$$^3$$. Find the curved smface area of the hemisphere.
A fruit merchant makes a profit of 25% by selling mangoes at a certain price. If he charges Rs.3 more on each mango, he will gain 40%. Find the cost price of one mango
The population of a city in the beginning of 2019 was 82,000. Its population is increasing at a rate of 2% annually. What is its population (rounded off to the nearest integer) in the beginning of 2022?
The average weight of eight persons is 40 kg. If one person is removed, then the average weight becomes 38 kg. The weight of the removed person is: