(a) 3 : 5 : 2
(b) 3 : 5 : 5
(c) 6 : 10 : 5
(d) 8 : 10 : 5
(e) 5 : 10 : 6
Q2. A boat running downstream covers 24 kms in 4 hours, while for covering the same distance upstream it takes 6 hours. What is the speed of the boat in still water?
(a) 3.5 km/hr
(b) 5.5 km/hr
(c) 6 km/hr
(d) 8 km /hr.
(e) 5 km /hr
Q3. A boat takes half time in moving a certain distance downstream than upstream. What is the ratio between rate of boat in still water and rate of current?
(a) 1 : 2
(b) 3 : 1
(c) 2 : 1
(d) 1 : 3
(e) 3 : 2
Q4. The speed of a boat in still water is 15 km/hr. It can go 30 km upstream and return downstream to the original point in 4 hrs 30 min. The speed of the stream is:
(a) 5 km/hr
(b) 8 km/hr
(c) 10 km/hr
(d) 15 km/hr
(e) 6 km/hr
Q5. A man can row three-quarters of a kilometer against the stream in 45/4 minutes and return in 15/2 minutes. The speed of the man in still water is:
(a) 2 km/hr
(b) 3 km/hr
(c) 4 km/hr
(d) 5 km/hr
(e) 7 km/hr
Directions (6-10): In the given question, two equations numbered I and II are given. You have to solve both the equations and
Give answer:
a. If x < y
b. If x > y
c. If x ≥ y
d. If x ≤ y
e. If relationship between x and y cannot be established.
Q6. I. 2x² – 7x+ 3 = 0
II. 2y² – 7y + 6 = 0
Q7. I. 4x² + 16x +15 = 0
II. 2y² + 3y + 1 = 0
Q8. I. 9x² – 45x + 56 = 0
II. 4y² – 17y + 18 = 0
Q9. I. 2x² + 11x + 14 = 0
II. 2y² + 15y + 28 = 0
Q10. I. 6x² + 11x + 4 = 0
II. 4y² – 7y – 2 = 0
Directions (11-15): Study the following graph carefully to answer the questions that follow:
Number of students (in thousands) enrolled in three different districts in six different years
Q11. What was the percentage increase in enrolment in the number of students in District C in year 2007 as compared to that in the previous year?
(a) 11.5
(b) 11.25
(c) 15.5
(d) 12.5
(e) None of these
Q12. What was the difference between the number of students enrolled in all the three districts together in the year 2008 and the number of students enrolled in District B over all the years together?
(a) 12000
(b) 11000
(c) 1100
(d) 1400
(e) 14500
Q13. What was the approximate average number of students enrolled in District A over all the years together?
(a) 5999
(b) 5666
(c) 5444
(d) 5333
(e) 6555
Q14. In which year was the number of students enrolled in all the three districts together the second highest?
(a) 2006
(b) 2007
(c) 2008
(d) 2009
(e) 2010
Q15. Total number of students enrolled in District A and District B together in the year 2010 was what percentage of the total number of students enrolled in District A in the year 2008?
(a) 150
(b) 120
(c) 250
(d) 220
(e) 350