For the following questions answer them individually
$$18 \div \left\{\left(6 of 2 - 4\right)\right\} \times \left(6 - 3\right)$$= _________.
Study the given pie-chart carefully and answer the following question.
If scholarship has to be paid out of the donation fund, then what is the percentage of donation fund used for this purpose (rounded off to two decimal places)?
15 men and 21 women, working together, can do a job in 56 days, while 12 men and 24 women, working together, can do the same job in 64 days. In how many days can the same job be done by 18 men and 24 women, working together?
During a division, Pranjal mistakenly took as the dividend a number that was 10% more than the original dividend. He also mistakenly took as the divisor a number that was 25% more than the original divisor. If the correct quotient of the original division problem was 25 and the remainder was 0, what was the quotient that Pranjal obtained, assuming his calculations had no error?
If the selling price of an article is doubled, then the profit becomes four times. What was the original profit percentage?
A person standing at a distance looks at a building having a height of 1000 metres. The angle between the top of the building and the ground is $$30^{\circ}$$. At what approximate distance (in metres) is the person standing away from the building.
A can do 20% of a job in 7 days and B can do 25% of the job in 7 days if they worked alone. How much of the job (in percentage) can they complete in 7 days if they worked together?
$$\frac{\sin^{4} \theta + \cos^{4} \theta}{1-2\sin^{2}\theta. \cos^{2}\theta}$$=__________.
The following table shows the scores of three attempts of Archery players in a tournament. The player scoring the highest average score was declared the best player. Who was the best player?