Q1. A man rows upstream 16 km and downstream 27 km talking 5 hours each time. What is the velocity of current?
(a) 2 km/hr
(b) 2.1 km/hr
(c) 1.1 km/hr
(d) 1.4 km/h
(e) None of these

Q2. A boat moves downstream at the rate of one km in 7(1/2) minutes and upstream at the rate of 5 km an hour. What is the velocity of current?
(a) 1.3 km/hr
(b) 1.2 km/hr
(c) 1.6 km/hr
(d) 1.5 km/hr
(e) None of these

Q3. A person rows a kilometre down the stream in 10 minutes and upstream in 30 minutes. Find velocity of the stream.
(a) 1 km/hr
(b) 2 km/hr
(c) 3 km/hr
(d) 4 km/hr
(e) None of these

Q4. A man can row three quarters of a km against the stream in 11 minutes 15 seconds ad return in 7 minutes 30 seconds. Find the speed of the man in still water and also the speed of the stream
(a) 5 km/hr, 2 km/hr
(b) 5 km/hr, 1 km/hr
(c) 6 km/hr, 2 km/hr
(d) 4 km/hr, 1 km/hr
(e) None of these

Q5. A boat moves downstream at the rate of 1 km in 6 minutes and upstream at the rate of 1 km in 10 minutes. The speed of the current is
(a) 2 km/hr
(b) 1 km/hr
(c) 1.5 km/hr
(d) 2.5 km/hr
(e) None of these

Q6. A pharmaceutical company received Rs. 3 million in royalties on the first Rs. 20 million in sales of the generic equivalent of one of its products and then Rs.9 million in royalties on the next Rs. 108 million in sales. By approximately what percent did the ratio of royalties to sales decrease from the first Rs. 20 million in sales to the next Rs. 108 million in sales?
(a) 10.27%
(b) 20.63%
(c) 38.6%
(d) 44.44%
(e) None Of these.

(a) 13.9%
(b) 15.8%
(c) 17.2%
(d) 21.4%
(e) None of these

Q8. In my office, at least 50% of the people read an e-newspaper. Among those who read an e-newspaper, at most 25% read more than one e-paper. Only one of the following statements follows from the statements given below. Which one is it?
(a) At the most 37.5% read exactly one e-paper.
(b) At least 37.5% read exactly one e-paper.
(c) At the most 19.8% read exactly one e-paper.
(d) At least 19.8% read exactly one e-paper.
(e) none of these

Q9. In Times Model School, 60% of the students are boys. In an aptitude test, 80% of the girls scored more than 40 marks (out of a maximum possible 150 marks). If 60% of the total students scored more than 40 marks in the same test, find the fraction of the boys who scored 40 marks or less?
(a) 3/5
(b) 6/7
(c) 5/7
(d) 7/15
(e) none of these

Q10. In a recent opinion poll held during April, 60% of the respondents favoured India Against Corruption (IAC) while the rest favoured Indian political parties (IPP). It was found in May polls that 10% of IAC supporters switched their preference to IPP, while the same percentage of IPP’s supporters also switched their preference to IAC. What percentage of the electorate should now switch their preference from IAC to IPP so that they are equal?
(a) 14%
(b) 19%
(c) 24%
(d) 29%
(e) None of these

Directions (11-15): For the two given equations I and II.
(a) If p is greater than q.
(b) If p is smaller than q.
(c) If p is equal to q.
(d) If p is either equal to or greater than q.
(e) If p is either equal to or smaller than q.

Q11.
I. 6p2+5p+1=0
II. 20q2+9q=-1

Q12.
I. 3p2+2p-1=0
II. 2q2+7q+6=0

Q13.
I. 3p2+15p=-18
II. q2+7q+12=0

Q14.
I. p=√4/√9
II. 9q2-12q+4=0

Q15.
I. p2+13p+42=0
II. q2=36