Two cars travel from city A to city B at a speed of 30 and 45 km/hr respectively. If one car takes 2.5 hours lesser time than the other car for the journey, then the distance between City A and City B is:
Among four boys, age of Ashish is thrice the age of Varun. Age of Arvind is 1/2 of the age of Varun. Amit is 8 years elder to Varun, but 8 years younger to Ashish. Who is the second eldest?
In the given figure, OX, OY and OZ are perpendicular bisectors of the three sides of the triangle. If QPR = 65 deg and PQR = 60 deg, then what is the value (in deg) of QOR + POR ?