Find the radius of the circle x²+y²-4x+6y=12

Direction: The line chart given below shows number of labourers (men and women) working in six different years. Study the data carefully and answer the following questions. 

The average number of Women working in 2014, 2015 and 2016 together is how much more/less than average number of Men working in 2011, 2014 and 2016 together? 

Direction: Read the following table carefully and answer the following questions:

The female workers of five companies are how much percent more than the male workers of five companies?

if 3sin²θ – cosθ-1=0, 0⁰< θ<90⁰, then what is the value of cot θ + cosec θ?

Find the value of the given expression.

$$ \sqrt { 20-{ \sqrt { 20- \sqrt { 20- \sqrt { 20- .....∞}}}}} $$

A person deposited ₹400 for 2 years, ₹ 550 for 4 years and ₹ 1,200 for 6 years. He received a total simple interest of 1,020. The rate of interest per annum is

The radius of a wire is decreased to one third. If volume remains the same, length will increase by :

Direction: The line chart given below shows number of labourers (men and women) working in six different years. Study the data carefully and answer the following questions. 

Find the ratio between total number of Labors working in 2012 and 2013 together to total number of labors working in 2015 and 2016 together.