1. Father is aged three times more than his son Sunil. After 8 years, he would be two and a half times of Sunil’s age. After further 8 years, how many times would he be of Sunil’s age?
1. 4 times
2. 4 times
3. 2 times
4. 3 times
2. Ten years ago, P was half of Q’s age. If the ratio of their present ages is 3:4, what will be the total of their present ages?
1. 45
2. 40
3. 35
4. 30
3. Two numbers are such that if the first is subtracted from six times the second, their difference becomes 71, and if the second be added to 7 times the first , their sum becomes 62. The two numbers are
1. 19, 7
2. 13, 7
3. 7, 13
4. 17, 3
5. None of these
4. The sum of three numbers is 98. If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8, then the second number is:
1. 58
2. 48
3. 30
4. 20
5. The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?
1. 17 : 18
2. 8 : 9
3. Cannot be determined
4. 21 : 22
6. The average age of 40 boys in a class is 15. The average age of a group of 18 boys in the class is 16 and the average age of another12 boys in the class is 14. What is the average age of the remaining boys in the class?1.15.25 years
2. 14.4 years
3. 14.75 years
4. None of these
5. cannot be determined
7. In Arun’s opinion, his weight is greater than 65 kg but less than 72 kg. His brother doest not agree with Arun and he thinks that Arun’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 Arun?
1. 67 kg.
2. 68 kg.
3. 69 kg.
4. Data inadequate
8. The average marks of a student in eight subjects is 87. After revaluation in two subjects the marks were changed to 138 from 98 and 132 from 108. In remaining subjects the marks remained unchanged. What are the new average marks?
1. 97
2. 92
3. 98
4. 94
5. 95
9. The average score of Rahul, Manish and Suresh is 63. Rahul’s score is 15 less than Ajay and 10 more than Manish. If Ajay scored 30 marks more than the average score of Rahul, Manish and Suresh, what is the sum of Manish’s and Suresh’s score?
1. 120
2. 111
3. 117
4. Cannot be determined
5. None of these
10. The average age of 40 students of a class is 18 years. When 20 new students are admitted to the same class, the average age of students of class is increased by 6 m-onths. The average age of newly admitted students are?
1. 19 years
2. 19 years 6 months
3. 20 years
4. 20 years 6 months
5. None of these
