The difference of simple interest from two banks on ₹8,000 in 3 years is ₹800. If the rate of interest per annum in two banks are R1 and R2, then what is the value of R1 - R2? (Where R1 > R2)

The smallest number, which when increased by 5 is divisible by each of 24, 32, 36 and 54, is 

In the given figure, PQRS is square whose side is 8 cm. PQS and QPR are two quadrants. A circle is placed touching both the quadrants and the square as shown in the figure. What is the area ( in cm² ) of the circle ?

Direction: Study the following table carefully and answer the given questions. Table shows the of passed students in four schools and ratio between passed boys and girls among them. The ratio between failed boys and girls is reverse of passed ratio between them.

The number passed of girls from School S is approximately what percentage of passed girls from School Q?

The ratio of the areas of two circles is 16: 25. What will be the ratio of their circumferences?

The compound interest on Rs.30,000 at 7% per annum is Rs. 4347. The period (in years) is:

A person has 12 bananas for Rs 24. Sell in So he got the benefit of 25 percent. How many bananas he buy in Rs. 40?

A can finish work in 18 days and B in 36 days. If they work on it together for 9 days, what percent of work is left?