Q1. Of three numbers, second is thrice the first while third is six times the second. If their average is 66. A new number 4 more than the average of other 3 is included then Find average of first and fourth number.
(a) 38.5
(b) 38
(c) 39
(d) 39.5
(e) 40
Q2. Rohit scores 84 in Maths while 79 in Science. Karan scores 85 in Maths. If average score of Karan is 6 more than average score of Rohit in both the subjects. Find the marks scored by Karan in Science.
(a) 90
(b) 85
(c) 87.5
(d) 81.5
(e) 85.5
Q4. Suman is 25 yrs elder to his son. If 7 yrs hence, the ratio of ages of suman and his son will be 2:1, then how many years back from present suman’s son was born?
(a) 20 yrs
(b) 24 yrs
(c) 15 yrs
(d) 18 yrs
(e) None of these
Q5. Average of 8 consecutive odd numbers is 10. What will be the average of smallest 4 numbers out of 8 numbers?
(a) 7
(b) 8
(c) 6
(d) 4
(e) 5
Q6. A person is 16 yrs older than his son. After 2 yrs, the person’s age will be double the age of his son. Then find the age of his son 8 yrs hence?
(a) 24 yrs
(b) 20 yrs
(c) 22 yrs
(d) 18 yrs
(e) 28 yrs
Q8. Mahesh has two sons named Karan and Arjun. The ratio of present age of Mahesh and Karan is 5 : 2 and that of Karan and Arjun is 4 : 3. Also, Karan is 5 years elder than Arjun. Find the ratio of their ages 10 years ago.
(a) 10∶4∶3
(b) 7∶2∶1
(c) 8∶2∶1
(d) 8∶3∶1
(e) 12∶6∶5
Q9. At present, Suresh is six times his son’s age. 13 years from now, the ratio of ages of Suresh and his son will be 11:4 respectively. Find Suresh’s present age ?
(a) 36 yrs
(b) 48 yrs
(c) 30 yrs
(d) 42 yrs
(e) None of these
Q10. In a 10 overs match, a team has scored runs at rate 7.5 in first 6 overs and 8.5 in next 2 over and scored 42 runs in last 2 over. Find overall run rate of the team in the match.
(a)10.40
(b) 10.89
(c) 10.04
(d) 10.43
(e) 10.23
Solutions