For the following questions answer them individually
A 1800 metres long train crosses a man walking in opposite direction in 10 seconds. If the speed of train is 8 times to the speed of man, then what is the speed of train?
Distance of a chord RS from the centres is 20 cm, if the length of this chord is 30 cm, then what will be the diameter of this circle?
The bar graph given below shows the sales of books (in thousand number) from six branches - B1, B2, B3, B4 , B5 and B6 of a publishing company during two consecutive years 2000 and 2001.
Find the percentage (approximate) of the average sales of branches B2, B4 and B6 in the year 2001 to the average sales of branches B1, B3 and B5 in the year 2001.
Rs.43,120 is divided among P, Q and R such that P's share is 4/7 of total share of Q and R together and Q's share is 2/5 of total share of P and R together. What is the share of R?
The bar graph given below shows the number of girls in 7 schools.
The number of girls in A is what percent of the member of girls in F?
A merchant marks the price of his article 20 percent above the cost price. If he allows 10 percent discount, then what is the profit or loss percentage.
Three metallic cubes whose sides are 6 cm, 8 cm and 10 cm respectively are melted and converted into a single cube. If there is no loss of metal in this process, then what is the length of the side of the new cube?