Answer the following questions

If 35% of a number is subtracted from the second number the second number reduces to its four–fifths. What is the ratio the first number to the second number?

The number of coins of radius 0.75 cm and thickness 0.2cm required to be melted to make a right circular cylinder of height 8 cm and base radius 3 cm is:

Directions: The following Pie Chart shows the export of different food grains from India in 2010. Study the chart and answer the questions:

If a total of 1.5 million quintals of crop F was exported, the amount of total food grains exported (in million) quintals was

How many hemispherical balls can be made from a cylinder 56 cm high and 12 cm diameter, when every ball being 0.75 cm in radius? 

The length of a rectangle is in- creased by 10% and breadth de- creased by 10%. Then the area of the new rectangle is: 

Direction: In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.

I. x² – 12x + 32 = 0
II. 2y² – 9y + 10 = 0

Directions : Given here is a pie chart showing the cost of gold in 2010, 2011, 2012 and 2013. Study the chart and answer the following questions

The ratio of percentage increases in price of gold from 2011 to 2012 and 2012 to 2013 is

If 80% of A=50% of B and B = x% of A, then the value of x is :