Q2. Dharam can row a boat with 14 ⅔ km/hr in still water and it take 20% more time to cover same distance in upstream than downstream. Find speed of current is what percent of speed of boat in still water?
Q3. Manoj goes office from platform with speed of 12km/hr and comes back with 10 km/hr. If it takes 5 ½ hours in all, find distance between office and platform?
(a) 120 km
(b) 60 km
(c) 30 km
(d) 15 km
(e) 45 km
Q4. Two tap A and B can fill a tank in 24 min and 16 min respectively, if both taps are opened together find after how much time tap A is closed so that whole tank is filled in 12 min?
(a) 12 min
(b) 4 min
(c) 8 min
(d) 6 min
(e) 10 min
Directions (5-10): The table given below shows the no. of students enrolled in 4 different colleges over the years.
Study the data carefully and answer the following questions.
Q5. What is the average no. of students enrolled in college B over the given years?
Q6. If in year 2016, 20% students of college B enrolled in B.SC, 30% students enrolled in B.COM and remaining students enrolled in BCA, then find the difference between BCA students and B.SC students.
Q7. Students enrolled in college A in year 2015 and 2016 together is what percent more or less than students enrolled in college C in year 2017 and 2018 together?
Q8. If the ratio between girls and boys in college B in 2016 is 3 :5 and ratio between girls and boys in college C in 2017 is 7 :5, then find the ratio between girls of college B in 2016 to boys of college C in 2017.
(a) 2 :5
(b) 3 :5
(c) 1 :3
(d) 2 :3
(e) 5 :3
Q9. Students enrolled in college A in 2017 is what percent of students enrolled in college B in the same year?
Q10. Total students enrolled in year 2015 in all the colleges together is how much more/less than total students enrolled in 2018 in all the colleges together?
Directions (11-15): In each of the following questions, two equations (I) and (II) are given your have to salve both the equations and give answer.
(a) If x > y
(b) If x ≥ y
(c) If x < y
(d) If x ≤ y
(e) If x = y or no relation can be established between x and y.