Solved Aptitude Questions

1. A man starts his walking at 3PM from point A, he walks at the rate of 4km/hr in plains and 3km/hr in hills to reach the point B. During his return journey he walks at the rate of 6km/hr in hills and 4km/hr in plains and reaches the point A at 9PM.What is the distance between A and B?Ans: 12kmSolution:T1+T2=6 T1-time for forward journey, T2-time for return journey D1+D2=forward /return distance D1-distance in plains D2-distance in hills D1/4 +D2/3=T1 (forward time) D1/4 +D2/6=T2 (return time) Adding we will get D1+D2=12 km 2. A boy asks his father, " what is the age of grand father?". Father replied " He is x years old in x^2 years", and also said, "we are talking about 20th century". what is the year of birth of grand father?Ans: 18923. A boy travels in a scooter after covering 2/3rd...

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