A clock seen through a mirror, shows quarter past three. What is the correct time shown by the clock?
If xy=13 then the value of (x2+y2)/(x2-y2) is-
What is the total sum of all the interior angles of a parallelogram?
The diameter of the driving wheel of a bus is 140 cm. How many revolutions per minute must the wheel make in order to keep a speed of 66 km per hour?