An exterior angle of a regular polygon is 72^o. The sum of all the interior angles is -

A clock showing the time of 8 o'clock in the morning. How many degrees will the hour needle rotate in the clock by 2 pm?

25% of 120 + 40% of 380 = ? of 637

Simplify the following equation.
$${(785.785.785+435.435.435) \over(785)^{2}+(435)^{2}-(785)(435)}$$

A wire of length 60 m is used to enclose a field which is in the shape of a right - angled triangle. The area of the field is 150 m² then, the largest side of the field has a length of: 

If Jhanavi borrowed Rs.1,25,000 at 8% compounded, what will be the amount to be paid back at the end of 2 years? 

There are 2 to 40 minutes on any watch. So how many degree angles will be made between the two needles?