Quantitative Aptitude - Arithmetic Ability Questions

Rs. 782 is divided into 3 parts in the ratio 12:23:34, the first part is 

In the given figure, PQR is an equilateral triangle with side as 12 cm. S and T are the mid points of the sides PQ and PR respectively. What is the area (in sq.cm) of the shaded region?

Deepanshu lent Rs. 8400 to Jaipal for 15 years and Rs. 5100 to Kareem for 14 years on simple interest at the same rate of interest and received Rs. 17766 in all from both of them as interest. The rate of interest per annum is

If the radius of a circle is increased by 31% its area increases by ______.

60% of P = 50% of Q and Q = x% of P. What is the value of x?

If 310 × 272 = 92 × 3n then the value of n is

What is the value of (-7776)25

What is the angle between the two hands of a clock when the time shown by the clock is 8 p.m.?(in degrees)