Two ladies A and B start walking from the same point. A walks 75 m North, then turns to her left and walks 90 m. B walks 110 m South, then turns West and walks 90 m, then turns to her left and walks 150 m. Where is B with respect to A now?
In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.
Among four cars, weight of C1 is twice the weight of C2. Weight of C3 is half of the weight of C2. C4 is 40 kg heavier than C2, but 40 kg lighter thanC1. What is the weight (in kg) of C4?