While doing his physics practical, Idowu recorded a reading as 1.12cm instead of 1.21cm. Calculate his percentage error

Find the 4th term of an A.P, whose first term is 2 and the common difference is 0.5

From the graph determine the roots of the equation y = 2x\(^2\) + x - 6

Find the values of x for which y = 5

An arc of length 22cm subtends an angle of θ at the center of the circle. What is the value of θ if the radius of the circle is 15cm?[Take π = 22/7]