1. A train covers a distance of 275 kms in 5 hours and another distance of 225kms in 3 hours. What is the average speed of the train for the entire distance?
1) 57.5kmph
2) 60kmph
3) 62.5kmph
4) 50kmph
5) None of these
2. The average age of a family of 5 members is 20 years. If the age of the youngest member be 10 years then what was the average age of the family at the time of the birth of the youngest member?
1) 15
2) 13
3) 12.5
4) 14.5
5) None of these
3. The average marks of a student in English and Science is 87. His average of marks in English and Maths is 72. What is the difference between the marks which he obtained in Science and Maths?
1) 20
2) 35
3) 30
4) 25
5) None of these
4. The average age of father and his two sons is 27 years. Five years ago, the average age of the two sons was 12 years. If the difference between the ages of the two sons is four years, what is the present age of the father?
1) 42
2) 48
3) 44
4) 47
5) None of these
5. In Abhi’s opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Abhi and he thinks that Abhi’s weight is greater than 60 kg but less than 70 kg. His mother’s view is that his weight cannot be greater than 68 kg. If all are them are correct in their estimation, what is the average of different probable weights of Abhi?
1) 65
2) 63
3) 67.5
4) 68
5) None of these