1. One of the angles of a triangle is two-third of sum of adjacent angles ofa parallelogram. Remaining angles of the triangle are in ratio 5 : 7, respectively. What is the value of second largest angle of the triangle?                  (3) (1) 2... Read more

1. Length of a rectangular field is increased by 14 metres and breadth is decreased by 6 metres, area of the field remains unchanged. If length be decreased by 14 metres and breadth be increased by 10 metres, again area remains unchanged. Find t... Read more