For the following questions answer them individually
In a bag there are coins of ₹2, ₹5 and ₹10 denominations. The total number of coins in the bag is 300. If the number of coins of ₹2, ₹5 and ₹10 denominations are in the ratio of 1 : 2 : 3, then what is the total amount of money in the bag?
42 boys can complete a piece of work in 20 days working 8 hours per day. In how many days can 14 boys complete the same work, each boy working 12 hours per day?
The following bar graph shows the number of girls in a school over 5 years.
Find the percentage decrease in the number of girls from the year 2012 to the year 2013.
If the circumference of a circle is equal to the perimeter of a square, and the radius of the given circle is positive, then which of the following options is correct?
What should come in place of the question mark (?) in the following mathematical statement?
$$?^{3} \div 16 = 108$$
What will be the ratio of the interests earned by identical sum of money invested at the same rate of simple interest for 6 years and for 15 years respectively?
The selling price and the cost price of an article are ₹6,000 and ₹5,000, respectively. What is the profit percentage?
The following pie chart shows the percentage-wise distribution of the nominal sales figures of laptops of five different companies during a given period.
If the total sales of all the companies taken together is ₹55,00,000, then find the difference between the sales of HP and Apple.
A man rows from J to K (upstream) and back from K to J (downstream) in a total time of 15 hours. The distance between J and K is 300 km. The time taken by the man to row 9 km downstream is identical to the time taken by him to row 3 km upstream. What is the approximate speed of the boat in still water?